[NiFe]-hydrogenase/urease maturation factor, Ni2-binding GTPase
2-aminoethylphosphonate ABC transport system, ATP-binding component PhnT
2-aminoethylphosphonate ABC transport system, ATP-binding component PhnT2
2-aminoethylphosphonate ABC transport system, membrane component PhnV
2-aminoethylphosphonate ABC transporter system, permease protein phnU
2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase, conserved site
2-deoxynucleoside 5-phosphate N-hydrolase 1, DNPH1
2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain
2-methylcitrate synthase/citrate synthase type I
2-oxo-acid dehydrogenase E1 component homodimeric type
2-oxoacid dehydrogenase acyltransferase, catalytic domain
2-oxoacid:acceptor oxidoreductase, delta subunit, pyruvate/2-ketoisovalerate
2-oxoacid:acceptor oxidoreductase, gamma subunit, pyruvate/2-ketoisovalerate
2-thiocytidine tRNA biosynthesis protein, TtcA
26S proteasome complex ubiquitin receptor, subunit Rpn13
26S proteasome non-ATPase regulatory subunit 5
26S proteasome non-ATPase regulatory subunit Rpn12
26S proteasome regulatory complex, non-ATPase subcomplex, Rpn1 subunit
26S proteasome regulatory complex, non-ATPase subcomplex, Rpn2/Psmd1 subunit
26S proteasome regulatory subunit, C-terminal
2Fe-2S ferredoxin, iron-sulphur binding site
3-isopropylmalate dehydratase, fused small/large subunit
3-isopropylmalate dehydratase, large subunit, bacteria
3-isopropylmalate dehydratase, small subunit, bacterial-like
3-isopropylmalate dehydratase, small subunit, subgroup
3-Oxoacyl-[acyl-carrier-protein (ACP)] synthase III C-terminal
3-phenylpropionate/cinnamic acid dioxygenase, alpha subunit
3-phenylpropionate/cinnamic acid dioxygenase, beta subunit
3-phenylpropionate/cinnamic acid dioxygenase, ferredoxin--NAD(+) reductase subunit
3,5-cyclic adenosine monophosphate phosphodiesterase CpdA
3'5'-cyclic nucleotide phosphodiesterase, catalytic domain
3'5'-cyclic nucleotide phosphodiesterase, conserved site
4-HPA 3-monooxygenase large component, Deinococcus-type
4-HPA 3-monooxygenase large component, gammaproteobacteria
4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase, C-terminal subunit
4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase, N-terminal subunit
4Fe-4S ferredoxin-type, iron-sulphur binding domain
5-AMP-activated protein kinase, beta subunit, interaction domain
5-hydroxytryptamine 3 receptor, A subunit
5-hydroxytryptamine 3 receptor, B subunit
5'-3' exonuclease, alpha-helical arch, N-terminal
5'-AMP-activated protein kinase catalytic subunit alpha-1
5'-AMP-activated protein kinase catalytic subunit alpha-2
6-pyruvoyl tetrahydropterin synthase, cysteine active site
6-pyruvoyl tetrahydropterin synthase, histidine active site
60S ribosomal protein L18a/ L20, eukaryotes
7TM GPCR, serpentine receptor class a (Sra)
7TM GPCR, serpentine receptor class b (Srb)
7TM GPCR, serpentine receptor class e (Sre)
7TM GPCR, serpentine receptor class g (Srg)
8-oxoguanine DNA glycosylase/DNA lyase, thermostable
A-alpha-Y mating type-dependent binding domain
ABC transporter periplasmic binding domain
ABC transporter permease protein, BceB-type
ABC transporter phosphate permease PstC, N-terminal domain
ABC transporter type 1, transmembrane domain
ABC transporter, aliphatic sulphonate import, ATP-binding protein
ABC transporter, arabinose import, ATP-binding protein, AraG
ABC transporter, cell division protein FtsX
ABC transporter, Choline, ATP-binding subunit
ABC transporter, choline, substrate-binding protein
ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydC
ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydD
ABC transporter, D-xylose, ATP-binding protein
ABC transporter, ferric cation import, FbpC
ABC transporter, glycerol-3-phosphate import ATP-binding protein
ABC transporter, high-affinity heme uptake system protein IsdE
ABC transporter, lipoprotein release, LolD
ABC transporter, macrolide export, ATP-binding domain
ABC transporter, maltose/maltodextrin import, MalK
ABC transporter, methionine import, ATP-binding protein MetN, proteobacteria
ABC transporter, molybdenum import, ModC
ABC transporter, periplasmic substrate-binding protein
ABC transporter, permease protein DrrB/DrrC
ABC transporter, phosphate-binding protein PstS
ABC transporter, phosphonate import, PhnC
ABC transporter, spermidine/putrescine import ATP-binding protein, PotA
ABC transporter, substrate-binding protein, aliphatic sulphonates
ABC transporter, teichoic acids export, TagH
ABC transporter, vitamin B12 import, permease   protein BtuC
ABC transporter, vitamin B12-binding protein
ABC transporter, zinc import, ATP-binding protein ZnuC
ABC-type glycine betaine transport system, substrate-binding domain
Acetolactate synthase, large subunit, biosynthetic
Acetyl-CoA carboxylase carboxyl transferase, beta subunit
Acetyl-CoA decarbonylase/synthase complex subunit beta, archaeal
Acetyl-CoA decarbonylase/synthase complex, gamma subunit
Acetyl-CoA decarbonylase/synthase complex, gamma subunit, archaea
Acid phosphatase, class A, bacterial, conserved site
Aconitase A/isopropylmalate dehydratase small subunit, swivel
Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha
Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha, subdomain 1/3
Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha, subdomain 2
Actin cytoskeleton-regulatory complex protein End3
Actin cytoskeleton-regulatory complex protein Pan1, fungal
Actin-related protein 8/Plant actin-related protein 9
Activator of Hsp90 ATPase homologue 1-like
Acute myeloid leukemia 1 protein (AML1)/Runt
Acyl carrier protein phosphodiesterase, gammaproteobacteria
Acyl-CoA dehydrogenase, C-termina, bacterial type
Acyl-CoA dehydrogenase/oxidase, N-terminal and middle domain
Acyl-CoA thioester hydrolase YbgC/YbaW family
Adaptin ear-binding coat-associated protein 1 NECAP-1
Adaptor protein complex AP-1, gamma subunit
Adaptor protein complex AP-2, alpha subunit
Adaptor protein complex AP-3, delta subunit
Adenine nucleotide alpha hydrolase-like domains
Adenomatous polyposis coli (APC)  family
Adenomatous polyposis coli protein basic domain
Adenomatous polyposis coli protein, 15 residue repeat
Adenomatous polyposis coli protein, cysteine-rich repeat
Adenosylcobalamin biosynthesis, ATP:cob(I)alamin adenosyltransferase CobA/CobO/ButR
Adenosylcobalamin biosynthesis, ATP:cob(I)alamin adenosyltransferase, EutT-type
Adenoviral fibre protein, repeat/shaft region
Adenovirus hexon associated protein VIII
Adenovirus small t-antigen, E1B 19kDa protein
Adenylate kinase, active site lid domain
Adenylosuccinate synthetase isozyme 1, chordates
Adenylosuccinate synthetase isozyme 2, chordates
Adenylyl cyclase class-3/4/guanylyl cyclase, conserved site
Adenylyl cyclase-associated protein CAP, fungal and plant
Aerobactin siderophore biosynthesis, IucA/IucC, N-terminal
African swine fever virus, p72, major capsid
AIR synthase related protein, N-terminal domain
Alanine dehydrogenase/NAD(P) transhydrogenase, conserved site-1
Alanine dehydrogenase/pyridine nucleotide transhydrogenase, conserved site-2
Alanine racemase/group IV decarboxylase, C-terminal
Alanine-tRNA ligase, class IIc, anti-codon-binding domain
Alanyl-tRNA synthetase, class IIc, core domain
Alanyl-tRNA synthetase, class IIc, N-terminal
Alcohol dehydrogenase class III/S-(hydroxymethyl)glutathione dehydrogenase
Alcohol dehydrogenase family, zinc-type, class-II subfamily
Alcohol dehydrogenase family, zinc-type, class-IV subfamily
Alcohol dehydrogenase family, zinc-type, class-V subfamily
Alcohol dehydrogenase, iron-type, conserved site
Alcohol dehydrogenase, zinc-binding type 1
Alcohol dehydrogenase, zinc-type, conserved site
Aldehyde dehydrogenase, cysteine active site
Aldehyde dehydrogenase, glutamic acid active site
Aldehyde ferredoxin oxidoreductase, domain 3
Aldehyde oxidase/xanthine dehydrogenase, molybdopterin binding
Aliphatic acid kinase, short-chain, conserved site
Alkali metal cation/H+ antiporter Nha1, C-terminal
Alkyl hydroperoxide reductase subunit C/ Thiol specific antioxidant
Alkylated DNA repair protein AlkB, homologue 8, N-terminal
Alkylbase DNA glycosidase, conserved site
Alpha-amylase, domain of unknown function DUF1966, C-terminal
Amino acid ABC transporter, permease protein, 3-TM domain, His/Glu/Gln/Arg/opine family
Amino acid/peptide transporter family, dipeptide and tripeptide permease A
Amino acid/peptide transporter family, dipeptide permease D
Aminoacyl-tRNA synthetase, class 1a, anticodon-binding
Aminoacyl-tRNA synthetase, class I, anticodon-binding
Aminoacyl-tRNA synthetase, class I, anticodon-binding domain, subdomain 1
Aminoacyl-tRNA synthetase, class I, conserved site
Aminoacyl-tRNA synthetase, class II (D/K/N)
Aminoacyl-tRNA synthetase, class II (D/K/N)-like
Aminoacyl-tRNA synthetase, class II (G/ H/ P/ S), conserved domain
Aminotransferase, class IV, conserved site
Aminotransferase, class-II, pyridoxal-phosphate binding site
AmpG-like permease/Acetyl-coenzyme A transporter 1
Anaerobic dimethyl sulphoxide reductase, subunit A, DmsA/YnfE
Anaerobic nitric oxide reductase flavorubredoxin
Anaerobic nitric oxide reductase transcription regulator
Anaerobic sulphatase maturase, radical SAM
Anaphase-promoting complex subunit 4, metazoa
Antenna complex, alpha subunit conserved site
Anthranilate synthase component I - like
Anthranilate synthase component I, archaeal type
Anthranilate synthase component I, N-terminal
Anthranilate synthase component I, PabB-like
Anthranilate synthase component I, TrpE-like, bacterial
Anthranilate synthase/para-aminobenzoate synthase like domain
Anti-muellerian hormone receptor, type II
Anti-repression trans-activator protein, REV protein
Apoptosis regulator, Bcl-2, BH1 motif, conserved site
Apoptosis regulator, Bcl-2, BH2 motif, conserved site
Apoptosis regulator, Bcl-2, BH3 motif, conserved site
Apoptosis regulator, Bcl-2, BH4 motif, conserved site
Apoptosis, DNA fragmentation factor 40kDa
Archaeal RpoH /eukaryotic RPB5 RNA polymerase subunit
Archaeal RpoK/eukaryotic RPB6 RNA polymerase subunit
Archaeal transcription elongation factor Spt4
Archaeal/bacterial translation initiation factor SUI1
Arginine exporter protein ArgO, enterobacteria
Argininosuccinate synthase, type 1 subfamily
Argininosuccinate synthase, type 2 subfamily
Argininosuccinate synthetase mutimerisation domain, C-terminal tail
Argininosuccinate synthetase, catalytic/multimerisation domain body
Arginyl tRNA synthetase N-terminal domain
Armadillo repeat protein deleted in velo-cardio-facial syndrome
Aromatic amino acid beta-eliminating lyase/threonine aldolase
Aromatic amino acid hydroxylase, C-terminal
Aromatic amino acid hydroxylase, iron/copper binding site
Aromatic-ring-hydroxylating dioxygenase, alpha subunit, C-terminal domain
ARP2/3 complex, 41kDa  subunit (p41-arc)
Arsenical pump ATPase, ArsA/GET3, eukaryotic
Arsenical-resistance operon trans-acting repressor ArsD
ArsR-type transcription regulator, HTH motif
Arterivirus papain-like cysteine protease alpha (PCPalpha) domain
Arterivirus papain-like cysteine protease beta (PCPbeta) domain
Aspartate-tRNA ligase, class IIb, bacterial/mitochondrial-type
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase, subunit B /E
Aspartyl/Glutamyl-tRNA(Gln) amidotransferase, subunit B/E, catalytic
AT-rich interactive domain-containing protein 4B
ATP binding protein MinD, bacterial-type
ATP phosphoribosyltransferase HisG, long form
ATP phosphoribosyltransferase HisG, short form
ATP synthase subunit beta, bacterial and archaeal
ATP synthase YMF19, uncharacterised, C-terminal
ATP-citrate lyase/succinyl-CoA ligase, active site
ATP-dependent Clp protease ATP-binding subunit ClpA
ATP-dependent Clp protease proteolytic subunit
ATPase assembly factor ATP10, mitochondria
ATPase, A1 complex, epsilon subunit, archaeal
ATPase, alpha/beta subunit, nucleotide-binding domain, active site
ATPase, F0 complex, B chain/subunit B/MI25
ATPase, F0 complex, subunit 8, mitochondrial, fungal
ATPase, F0 complex, subunit 8, mitochondrial, Metazoan
ATPase, F0 complex, subunit B, bacterial
ATPase, F0 complex, subunit B/B', bacterial/chloroplast
ATPase, F0 complex, subunit C, bacterial/chloroplast
ATPase, F0 complex, subunit D, mitochondrial
ATPase, F0 complex, subunit E, mitochondrial
ATPase, F0 complex, subunit F6, mitochondrial
ATPase, F0 complex, subunit F6, mitochondrial subgroup
ATPase, F0 complex, subunit G, mitochondrial
ATPase, F1 complex alpha/beta subunit, N-terminal domain
ATPase, F1 complex, delta/epsilon subunit
ATPase, F1 complex, delta/epsilon subunit, N-terminal
ATPase, F1 complex, epsilon  subunit, mitochondrial
ATPase, F1/V1/A1 complex, alpha/beta subunit, C-terminal
ATPase, F1/V1/A1 complex, alpha/beta subunit, nucleotide-binding domain
ATPase, OSCP/delta subunit, conserved site
ATPase, type III secretion system, FliI/YscN
ATPase, type III secretion system, H+-transporting
ATPase, V0 complex, subunit 116kDa, eukaryotic
ATPase, V0 complex, subunit e1/e2, metazoa
ATPase, V1 complex, subunit F, eukaryotic
ATPase, V1 complex, subunit H, C-terminal
Atypical dual specificity phosphatase, subfamily A
Atypical dual specificity phosphatase, subfamily B
Bacillus/Clostridium Ger spore germination protein
Bacterial DNA polymerase III, alpha subunit
Bacterial DNA recombination protein RuvA
Bacterial extracellular solute-binding family 1, conserved site
Bacterial extracellular solute-binding protein, family 5
Bacterial extracellular solute-binding protein, family 7
Bacterial extracellular solute-binding, family 1
Bacterial Fmu (Sun)/eukaryotic nucleolar NOL1/Nop2p, conserved site
Bacterial general secretion pathway protein G-type pilin
Bacterial lipid A biosynthesis acyltransferase
Bacterial phospholipase C, C-terminal domain
Bacterial photosynthetic reaction centre, H-chain, C-terminal
Bacterial type 3a cellulose-binding domain
Bactericidal permeability-increasing protein, alpha/beta domain
Bacteriophage head completion protein GpL
Bacteriophage lambda, Stf, side tail fibre-repeat-1
Bacteriophage MS2, Orfg1, assembly protein
Bacteriophage P22, Gp9, tailspike, N-terminal
Bacteriophage T4, Alt, NAD--protein ADP-ribosyltransferase
Bacteriophage T4, Gp32, single-stranded DNA-binding
Bacteriophage T4, Gp5, tail-associated lysozyme
Bacteriophage T7, Gp3, endodeoxynuclease I
Bacteriophage T7, Gp4, DNA primase/helicase, N-terminal
Bacteriophage tail attachment protein FII
Bacteriophage/plasmid replication protein, gene II/X
Bacteriophage/plasmid replication protein, gene II/X, C-terminal
Bacteriophage/plasmid replication protein, gene II/X, N-terminal
Baculoviral IAP repeat-containing protein 1
Baculoviral IAP repeat-containing protein 6
Baculoviridae late expression factor 5, N-terminal
Baculovirus occlusion-derived virus envelope EC27
Baculovirus occlusion-derived virus envelope, E18
Baculovirus occlusion-derived virus envelope, E25
Baculovirus occlusion-derived virus envelope, E56
Baculovirus occlusion-derived virus envelope, E66
Baculovirus p35, apoptosis preventing protein
Baculovirus polyhedron envelope protein PEP, C-terminal
Baculovirus polyhedron envelope protein PEP, N-terminal
BAF1 / ABF1 chromatin reorganising factor
Basic helix-loop-helix leucine zipper transcrition factor MiT/TFE
BCCT transporter family, L-carnitine/gamma-butyrobetaine antiporter CaiT
Beta galactosidase small chain/ domain 5
Bifunctional 2-acylglycerophosphoethanolamine acyltransferase/acyl synthetase Aas
Bifunctional chorismate mutase/prephenate dehydrogenase T-protein
Bifunctional cytochrome P450/NADPH--cytochrome P450 reductase
Bifunctional inorganic polyphosphate/ATP-NAD kinase, predicted
Bifunctional molybdenum cofactor biosynthesis protein MoaC/MogA
Bifunctional P-protein, chorismate mutase/prephenate dehydratase
Bifunctional phosphatidylinositol trisphosphate phosphatase/dual specificity phosphatase PTEN
Bifunctional polymyxin resistance protein, ArnA
Biogenesis of lysosome-related organelles complex 1 subunit 5
Biotin operon repressor, helix-turn-helix domain
Biotin synthase/Biotin biosynthesis bifunctional protein BioAB
Blue (type 1) copper protein, plastocyanin-type
Bluetongue virus nonstructural protein NS2
Bone morphogenetic protein 1/tolloid-like protein
Bordetella pertussis toxin B, subunit 2/3, C-terminal
Bovine immunodeficiency virus surface envelope
Brain-specific angiogenesis inhibitor 1-associated protein 2
Branched-chain amino acid aminotransferase I
Branched-chain amino acid aminotransferase II
Branched-chain amino acid transport system II carrier protein
Branched-chain amino acid transport, AzlC
Breast cancer anti-estrogen resistance protein 1
Breast cancer anti-estrogen resistance protein 3
Breast cancer type 1 susceptibility protein (BRCA1)
Breast cancer type 2 susceptibility protein
Breast cancer type 2 susceptibility protein, helical domain
Broad bean mottle virus, Gp1, N-terminal
C5a anaphylatoxin chemotactic receptor 2
CagE, TrbE, VirB component of type IV transporter system
CagE, TrbE, VirB component of type IV transporter system, central domain
Calcineurin-like phosphoesterase domain, apaH type
Calcium transporting P-type ATPase, C-terminal, plasma membrane
Calcium-binding and spermatid-specific protein 1
Calcium-binding mitochondrial carrier protein Aralar2
Calcium-dependent cell adhesion molecule, N-terminal
Calcium-transporting P-type ATPase, N-terminal autoinhibitory domain
Calcium-transporting P-type ATPase, subfamily  IIA, SERCA-type
Calcium-transporting P-type ATPase, subfamily IIA, PMR1-type
Calcium-transporting P-type ATPase, subfamily IIB
Calcium/calmodulin-dependent protein kinase II inhibitor
Calcium/calmodulin-dependent protein kinase II, association-domain
cAMP response element binding (CREB) protein
cAMP-dependent protein kinase regulatory subunit
Carbamoyl-phosphate synthase large subunit, CPSase domain
Carbamoyl-phosphate synthase, large subunit, N-terminal
Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain
Carbohydrate binding module family 17/28
Carbohydrate kinase, FGGY, conserved site
Carbohydrate/puine kinase, PfkB, conserved site
Carbonic anhydrase, alpha-class, conserved site
Carbonic anhydrase, prokaryotic-like, conserved site
Casein kinase II, regulatory subunit, alpha-helical
Casein kinase II, regulatory subunit, beta-sheet
Cat eye syndrome critical region protein 2
Catalase, mono-functional, haem-containing, clade 2
Catalase, mono-functional, haem-containing, clades 1 and 3
Cation channel sperm-associated protein 1
Cation channel sperm-associated protein 2
Cation channel sperm-associated protein 3
Cation channel sperm-associated protein 4
Cation channel sperm-associated protein subunit beta
Cation channel sperm-associated protein subunit delta
Cation channel sperm-associated protein, subunit gamma
Cation-transporting  P-type ATPase, subfamily IV
Cation-transporting P-type ATPase, subfamily  V
Cation-transporting P-type ATPase, subfamily IB
Cation-transporting P-type ATPase, subfamily IID
Cation/H+ exchanger, CPA1 family, bacteria
CCAAT-binding transcription factor, subunit B
CCR4-Not complex component, Not N-terminal domain
CCR4-NOT transcription complex subunit 8
Cdk-activating kinase assembly factor MAT1, centre
Cdk-activating kinase assembly factor MAT1/Tfb3
Cell cycle and apoptosis regulator protein
Cell cycle and apoptosis regulator protein 2
Cell cycle exit/neuronal differentiation protein 1
Cell cycle, FtsW / RodA / SpoVE, conserved site
Cell division protein  FtsE, ATP-binding
Cell division protein FtsZ, C-terminal extension
Cell division protein FtsZ, conserved site
Cell surface protein Shp, haem-binding domain
Cell wall assembly/cell proliferation-coordinating protein, KNR4
Cell wall-active antibiotic response protein
Cellulose-binding domain, family II, bacterial-type
Cellulose-binding family II/chitobiase, carbohydrate-binding domain
Cellulosome anchoring protein, cohesin domain
Cellulosome enzyme, dockerin type I, calcium-binding motif
Centriole, cilia and spindle-associated protein
Centromere protein CENP-B, dimerisation domain
Centromere protein Cenp-F, leucine-rich repeat-containing domain
Centrosome and spindle pole associated protein 1
Cereal seed allergen/grain softness/trypsin and alpha-amylase inhibitor
Cereal seed allergen/trypsin and alpha-amylase inhibitor, conserved site
Channel forming colicin, C-terminal cytotoxic
Channel forming colicin, central receptor recognition
Channel forming colicin, N-terminal domain
Chemokine-binding M3, subdomain 1, viral
Chemokine-binding M3, subdomain 2, viral
Chlamydia 15kDa cysteine-rich outer membrane
Chlamydia cysteine-rich outer membrane protein 6
Chlamydia polymorphic membrane, middle domain
Chlorophyllide reductase iron protein subunit X
Chloroplast envelope membrane protein, CemA
Chloroplast envelope protein translocase, IAP75
Chloroplast protein import component Toc34
Chloroplast protein import component Toc86/159
Chorismate mutase, AroQ class, eukaryotic type
Chromatin structure-remodeling complex subunit RSC1/RSC2
Chromosomal replication control, initiator DnaA
Chromosomal replication control, initiator DnaA, conserved site
Chromosomal replication initiator, DnaA C-terminal
Circadian clock protein KaiA, C-terminal
Circadian clock protein KaiA, N-terminal
Citrate synthase-like, large alpha subdomain
Citrate synthase-like, small alpha subdomain
Class II glutamine amidotransferase domain
Clathrin adaptor, alpha-adaptin, appendage, C-terminal subdomain
Clathrin adaptor, alpha-adaptin, appendage, Ig-like subdomain
Clathrin adaptor, alpha/beta/gamma-adaptin, appendage, Ig-like subdomain
Clathrin adaptor, beta-adaptin, appendage, Ig-like subdomain
Clathrin adaptor, mu subunit, C-terminal
Clathrin adaptor, mu subunit, conserved site
Clathrin alpha-adaptin/coatomer adaptor, appendage, C-terminal subdomain
Clathrin, heavy chain, linker, core motif
Clathrin, heavy chain, linker/propeller domain
Clathrin, heavy chain, propeller, N-terminal
Clathrin, heavy chain/VPS, 7-fold repeat
Cleavage and polyadenylation specificity factor subunit 2
Cleavage/polyadenylation specificity factor subunit 5
Cleavage/polyadenylation specificity factor, A subunit, C-terminal
Clostridium neurotoxin, receptor binding N-terminal
CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit
CO dehydrogenase flavoprotein-like, FAD-binding, subdomain 2
CO dehydrogenase/acetyl-CoA synthase complex alpha subunit
CO dehydrogenase/acetyl-CoA synthase complex beta subunit
CO dehydrogenase/acetyl-CoA synthase delta subunit
Co-chaperone HscB, C-terminal oligomerisation domain
CoA-transferase family III, crotonobetainyl-CoA:carnitine CoA-transferase CaiB
Coagulation factor 5/8 C-terminal type domain
Coagulation factor XIIa/hepatocyte growth factor activator
Coatomer, gamma subunit, appendage, Ig-like subdomain
Coatomer/calthrin adaptor appendage, C-terminal subdomain
CoB--CoM heterodisulphide reductase, subunit B
CoB--CoM heterodisulphide reductase, subunit C
Cobalamin (vitamin B12) biosynthesis CbiD
Cobalamin (vitamin B12) biosynthesis CbiE, precorrin-6Y methyltransferase
Cobalamin (vitamin B12) biosynthesis CbiM family
Cobalamin (vitamin B12) biosynthesis CbiX
Cobalamin (vitamin B12) biosynthesis CobF, precorrin-6A synthase
Cobalamin (vitamin B12) biosynthesis CobH/CbiC, precorrin-8X methylmutase
Cobalamin (vitamin B12) biosynthesis CobI/CbiL, precorrin-2 C20-methyltransferase
Cobalamin (vitamin B12) biosynthesis CobI/CbiL, precorrin-2 C20-methyltransferase, core
Cobalamin (vitamin B12) biosynthesis CobJ/CibH, precorrin-3B C17-methyltransferase, core
Cobalamin (vitamin B12) biosynthesis CobL/Precorrin-6Y C(5,15)-methyltransferase
Cobalamin (vitamin B12) biosynthesis CobM/CbiF, precorrin-4 C11-methyltransferase
Cobalamin (vitamin B12) biosynthesis CobS, cobalamin-5-phosphate synthase
Cobalamin (vitamin B12) biosynthesis CobW
Cobalamin (vitamin B12) biosynthesis protein CbiM
Cobalamin (vitamin B12) biosynthesis, bifunctional CbiH/CbiC
Cobalamin (vitamin B12)-binding module, cap domain
Cobalamin (vitamin B12)-binding transporter, eukaryotic
Cobalamin (vitamin B12)-dependent enzyme, catalytic
Cobalamin (vitamin B12)-dependent enzyme, catalytic subdomain
Cobalamin biosynthesis, precorrin-6Y methyltransferase, CbiT subunit
Cobalamin biosynthesis, precorrin-6Y methyltransferase, CbiT subunit, archaeal-type
Cobalamin-independent methionine synthase MetE, C-terminal/archaeal
Cobalamin-independent methionine synthase MetE, N-terminal
Cobalt transport protein ATP-binding subunit
Cobyrinic acid a,c-diamide synthase CbiA
Coenzyme A biosynthesis bifunctional protein CoaBC
Coenzyme A disulphide reductase, staphyolococci
Coenzyme F420 biosynthesis protein FbiB, C-terminal
Coenzyme F420 hydrogenase, subunit alpha
Coenzyme F420 hydrogenase, subunit gamma
Coenzyme F420:L-glutamate ligase, bacterial and archeal
Coenzyme PQQ biosynthesis protein E, bacteria
Coiled stalk of trimeric autotransporter adhesin
Colanic acid biosynthesis, acetyltransferase, WcaB
Cold-shock protein, DEAD box A, C-terminal
Colicin immunity protein/pyocin immunity protein
Complement control protein, vaccinia C3L
Condensin subunit 1/Condensin-2 complex subunit D3
Connector enhancer of kinase suppressor of ras 2
Conserved oligomeric Golgi complex subunit 5
Conserved oligomeric Golgi complex subunit 6
Conserved oligomeric Golgi complex subunit 7
Conserved oligomeric Golgi complex subunit 8
Conserved oligomeric Golgi complex subunit 8, Metazoal and Viridiplantae
Conserved oligomeric Golgi complex, subunit 3
Coordinator of PRMT5 and differentiation stimulator
Copper type II, ascorbate-dependent monooxygenase-like, C-terminal
Copper type II, ascorbate-dependent monooxygenase, histidine-cluster-1 conserved site
Copper type II, ascorbate-dependent monooxygenase, histidine-cluster-2 conserved site
Copper type II, ascorbate-dependent monooxygenase, N-terminal
Coproporphyrinogen III oxidase, conserved site
Coproporphyrinogen III oxidase, oxygen-independent related
Coproporphyrinogen III oxidase, oxygen-independent,  HemN
Coronaviridae metal-binding (CV MBD) domain
CRISPR-associated protein Cas1, MYXAN subtype
CRISPR-associated protein Cas7, subtype I-B/Tneap, bacterial
CRISPR-associated protein Cas8a1/Csx13, Myxan subtype, N-terminal
Crossover junction endodeoxyribonuclease RuvC, magnesium-binding site
Cryptochrome/DNA photolyase, class 1 conserved site, C-terminal
CST complex subunit Ten1, animal and plant type
CTF transcription factor/nuclear factor 1
CTF transcription factor/nuclear factor 1, DNA-binding domain
Cucumber mosaic virus 1a protein C-terminal
Curli production assembly/transport component CsgG
CXC chemokine receptor 4 N-terminal domain
Cyclase-associated protein CAP/septum formation inhibitor MinC, C-terminal
Cyclic-AMP phosphodiesterase class-II, conserved site
Cyclophilin-type peptidyl-prolyl cis-trans isomerase domain
Cyclophilin-type peptidyl-prolyl cis-trans isomerase E
Cyclophilin-type peptidyl-prolyl cis-trans isomerase, conserved site
Cys/Met metabolism, pyridoxal phosphate-dependent enzyme
Cysteine desulphurase, catalytic subunit, CsdA
Cysteine synthase/cystathionine beta-synthase, pyridoxal-phosphate attachment site
Cysteine-rich Golgi apparatus protein 1 repeat
Cysteine-rich Golgi apparatus protein 1 repeat, eukaryote
Cysteine-rich outer membrane protein 3, Chlamydia
Cysteinyl-tRNA synthetase, class Ia, DALR
Cystic fibrosis transmembrane conductance regulator
Cytochrome b ascorbate-dependent protein 3
Cytochrome b-c1 complex subunit 8, plants
Cytochrome b5-like heme/steroid binding domain
Cytochrome b6-f complex iron-sulfur subunit
Cytochrome c assembly protein, transmembrane domain
Cytochrome c lysine N-methyltransferase 1
Cytochrome c nitrite reductase, pentahaem subunit
Cytochrome c oxidase assembly protein COX16
Cytochrome c oxidase assembly protein CtaG/Cox11
Cytochrome c oxidase cbb3 type, accessory protein FixG
Cytochrome c oxidase cbb3-type, subunit I
Cytochrome c oxidase subunit II C-terminal
Cytochrome C oxidase subunit II, transmembrane domain
Cytochrome c oxidase subunit IV, actinobacteria
Cytochrome C oxidase subunit IV, prokaryotes
Cytochrome c oxidase, subunit I bacterial type
Cytochrome c oxidase, subunit I, copper-binding site
Cytochrome c oxidase, subunit III, 4-helical bundle
Cytochrome c oxidase, subunit VIa, conserved site
Cytochrome c oxidase, subunit VIIa, fungal
Cytochrome c-552/DMSO reductase-like, haem-binding domain
Cytochrome c-type biogenesis protein CcbS
Cytochrome c-type biogenesis protein CcmB
Cytochrome c-type biogenesis protein CcmC
Cytochrome c-type biogenesis protein CcmF
Cytochrome c-type biogenesis protein NrfE
Cytochrome c, Bacillus subtilis c550-related
Cytochrome d ubiquinol oxidase, subunit I
Cytochrome d ubiquinol oxidase, subunit II
Cytochrome o ubiquinol oxidase subunit II
Cytochrome o ubiquinol oxidase subunit IV
Cytochrome o ubiquinol oxidase, subunit I
Cytochrome o ubiquinol oxidase, subunit III
Cytochrome P450, E-class, group I, CYP2A-like
Cytochrome P450, E-class, group I, CYP2B-like
Cytochrome P450, E-class, group I, CYP2D-like
Cytochrome P450, E-class, group I, CYP2E-like
Cytochrome P450, E-class, group I, CYP2J-like
Cytokine IL-3/IL-5/GM-CSF receptor common beta chain
Cytokinin dehydrogenase 1, FAD/cytokinin binding domain
Cytoplasmic dynein 1 intermediate chain 1/2
Cytosolic Fe-S cluster assembly factor NUBP1/Nbp35
Cytosolic Fe-S cluster assembly factor NUBP2/Cfd1, eukaryotes
D-amino acid dehydrogenase small subunit, DadA
D-galactoside/L-rhamnose binding SUEL lectin domain
D-isomer specific 2-hydroxyacid dehydrogenase, catalytic domain
D-isomer specific 2-hydroxyacid dehydrogenase, NAD-binding domain
D-lactate dehydrogenase, C-terminal subdomain 1
D-lactate dehydrogenase, C-terminal subdomain 2
D-lactate dehydrogenase, membrane binding, C-terminal
D-lysine 5,6-aminomutase beta subunit KamE, N-terminal
D-ribose pyranase RbsD/L-fucose mutarotase FucU
D-tagatose-bisphosphate aldolase, class II, non-catalytic subunit  GatZ/KbaZ
D-tagatose-bisphosphate aldolase, class II, non-catalytic subunit GatZ
D-tagatose-bisphosphate aldolase, class II, subunit GatY
D-tagatose-bisphosphate aldolase, class II, subunit KbaY
D-tagatose-bisphosphate aldolase, class II, subunit KbaY/GatY
D-xylose ABC transporter, substrate-binding protein
D12 class N6 adenine-specific DNA methyltransferase
Daunorubicin resistance ABC transporter ATP-binding subunit DrrA
Dehydroquinase, class II, conserved site
Delta-9 acyl-CoA desaturase, haem/steroid binding domain-containing
Deoxyuridine triphosphate nucleotidohydrolase/Deoxycytidine triphosphate deaminase
Di-c-type haem protein, MauG/cytochrome c peroxidase
Digestive organ expansion factor, predicted
Dihydrolipoamide acetyltransferase pyruvate dehydrogenase complex
Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
Dihydroorotate dehydrogenase, class 1/ 2
Disintegrin and metalloproteinase domain-containing protein 10
Disulphide bond formation protein DsbB/BdbC
Divalent cation tolerance protein CutA, bacteria
DMRT/protein doublesex/protein male abnormal 3
DMSO reductase family, type II, haem b-binding subunit
DMSO reductase family, type II, iron-sulphur subunit
DMSO reductase family, type II, molybdopterin subunit
DNA breaking-rejoining enzyme, catalytic core
DNA damage checkpoint control protein, Rad17
DNA double-strand break repair and VJ recombination XRCC4, N-terminal
DNA glycosylase, G/T mismatch, bacterial
DNA glycosylase/AP lyase, catalytic domain
DNA glycosylase/AP lyase, H2TH DNA-binding
DNA glycosylase/AP lyase, zinc finger domain, DNA-binding site
DNA gyrase/topoisomerase IV, subunit A, C-terminal beta-pinwheel
DNA helicase E1 protein, C-terminal, Papillomavirus
DNA helicase E1 protein, N-terminal, Papillomavirus
DNA helicase, ATP-dependent, RecQ type, bacterial
DNA helicase, Holliday junction RuvA type, domain I, bacterial
DNA helicase, Holliday junction RuvA type, domain III, C-terminal
DNA helicase, Holliday junction RuvB type
DNA helicase, Holliday junction RuvB type, C-terminal
DNA helicase, Holliday junction RuvB type, N-terminal
DNA helicase/primase complex associated, herpesvirus
DNA ligase, ATP-dependent, conserved site
DNA methylase, C-5 cytosine-specific, active site
DNA methylase, N-4 cytosine-specific, conserved site
DNA methylase, N-6 adenine-specific, conserved site
DNA mismatch repair MutH/Restriction endonuclease, type II
DNA mismatch repair protein MutS-homologue MSH6
DNA mismatch repair protein MutS-like, N-terminal
DNA mismatch repair protein MutS, C-terminal
DNA mismatch repair protein MutS, connector domain
DNA mismatch repair protein MutS, N-terminal
DNA mismatch repair protein MutS, type 1
DNA nucleotidylexotransferase (TdT) / DNA-directed DNA/RNA polymerase mu
DNA polymerase B exonuclease, N-terminal
DNA polymerase catalytic subunit Pol, C-terminal
DNA polymerase epsilon catalytic subunit
DNA polymerase epsilon, catalytic subunit A, C-terminal
DNA polymerase II small subunit, archaeal
DNA polymerase III-theta, core, bacterial
DNA polymerase III, alpha subunit, Gram-positive type
DNA polymerase III, beta chain, C-terminal
DNA polymerase III, beta chain, N-terminal
DNA polymerase III, clamp loader complex, gamma/delta/delta subunit, C-terminal
DNA polymerase III, delta subunit, C-terminal
DNA polymerase III, gamma subunit, domain III
DNA polymerase III, psi subunit, subgroup
DNA polymerase III, tau subunit, domain V
DNA polymerase processivity factor (UL42)
DNA polymerase subunit gamma-2, mitochondrial
DNA polymerase, Y-family, little finger domain
DNA primase large subunit, eukaryotic/archaeal
DNA primase, DnaB-helicase binding domain
DNA primase, small subunit, eukaryotic/archaeal
DNA primase, UL52/UL70 type, Herpesviridae
DNA protection during starvation protein, gammaproteobacteria
DNA recombination and repair protein RecA
DNA recombination and repair protein RecA-like, ATP-binding domain
DNA recombination and repair protein RecA, monomer-monomer interface
DNA recombination/repair protein RecA, conserved site
DNA repair and recombination protein RadB
DNA repair Rad51/transcription factor NusA, alpha-helical
DNA replication terminus site-binding protein
DNA single-strand annealing protein RecT
DNA topoisomerase 4 subunit B, Gram-positive
DNA topoisomerase I, catalytic core, alpha-helical subdomain, eukaryotic-type
DNA topoisomerase I, catalytic core, alpha/beta subdomain
DNA topoisomerase I, catalytic core, eukaryotic-type
DNA topoisomerase I, DNA binding, eukaryotic-type
DNA topoisomerase I, DNA binding, mixed alpha/beta motif, eukaryotic-type
DNA topoisomerase I, zinc ribbon-like, bacterial-type
DNA topoisomerase IV subunit A, Gram-positive
DNA topoisomerase IV, subunit A, Gram-negative
DNA topoisomerase IV, subunit B, Gram-negative
DNA topoisomerase VI, subunit B, transducer
DNA topoisomerase, type IA, DNA-binding domain
DNA topoisomerase, type IIA, central domain
DNA topoisomerase, type IIA, conserved site
DNA topoisomerase, type IIA, subunit A/ C-terminal, alpha-beta
DNA topoisomerase, type IIA, subunit A/C-terminal
DNA topoisomerase, type IIA, subunit B, domain 2
DNA-directed DNA polymerase, family A, conserved site
DNA-directed DNA polymerase, family A, mitochondria, subgroup
DNA-directed DNA polymerase, family A, palm domain
DNA-directed DNA polymerase, family B, adenovirus
DNA-directed DNA polymerase, family B, conserved site
DNA-directed DNA polymerase, family B, exonuclease domain
DNA-directed DNA polymerase, family B, mitochondria/virus
DNA-directed DNA polymerase, family B, mitochondrial linear plasmid
DNA-directed DNA polymerase, family B, multifunctional domain
DNA-directed DNA polymerase, family B, phi29-like virus
DNA-directed DNA polymerase, family B, viral insert domain
DNA-directed DNA-polymerase, family A, mitochondria
DNA-directed RNA polymerase delta subunit/Asxl
DNA-directed RNA polymerase II subunit GRINL1
DNA-directed RNA polymerase III subunit RPC1
DNA-directed RNA polymerase III subunit RPC4
DNA-directed RNA polymerase III subunit Rpc5
DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved site
DNA-directed RNA polymerase subunit A' (Rpo1N)
DNA-directed RNA polymerase subunit B (Rpo2)
DNA-directed RNA polymerase subunit D (Rpo3)
DNA-directed RNA polymerase subunit L (Rpo11)
DNA-directed RNA polymerase subunit P (Rpo12)
DNA-directed RNA polymerase, 14-18kDa subunit, conserved site
DNA-directed RNA polymerase, 18kDa subunit, poxviral
DNA-directed RNA polymerase, 19kDa subunit, poxviral
DNA-directed RNA polymerase, 30-40kDa subunit, conserved site
DNA-directed RNA polymerase, 35kDa subunit, poxviral
DNA-directed RNA polymerase, 7kDa polypeptide, chordopoxviral
DNA-directed RNA polymerase, alpha subunit
DNA-directed RNA polymerase, beta subunit
DNA-directed RNA polymerase, beta subunit, external 1 domain
DNA-directed RNA polymerase, helix hairpin domain
DNA-directed RNA polymerase, insert domain
DNA-directed RNA polymerase, M/15kDa subunit
DNA-directed RNA polymerase, omega subunit
DNA-directed RNA polymerase, RBP11-like dimerisation domain
DNA-directed RNA polymerase, subunit  RPB6
DNA-directed RNA polymerase, subunit 2, domain 6
DNA-directed RNA polymerase, subunit beta-prime
DNA-directed RNA polymerase, subunit beta''
DNA-directed RNA polymerase, subunit C11/M/9
DNA-directed RNA polymerase, subunit E/RPC8
DNA-directed RNA polymerase, subunit gamma
DNA-directed RNA polymerase, subunit N/Rpb10
DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site
DNA/RNA non-specific endonuclease, active site
Domain of unknown function DUF959, collagen XVIII, N-terminal
Double-stranded DNA virus, group I, capsid
Double-stranded RNA-specific adenosine deaminase (DRADA)
Drosophila accessory gland-specific peptide 26Ab
DrrA phosphatidylinositol 4-phosphate binding domain
Drug resistance transporter Bcr/CmlA subfamily
Drug resistance transporter EmrB/QacA subfamily
Dual specificity phosphatase, catalytic domain
Dual specificity phosphatase, subgroup, catalytic domain
Dual specificity testis-specific protein kinase 1
Dual specificity tyrosine-phosphorylation-regulated kinase 1A
Dynein light chain, type 1/2, conserved site
E3 ubiquitin ligase EDD, ubiquitin-associated domain
E3 ubiquitin-protein ligase SopA-like, catalytic domain
E3 ubiquitin-protein ligase, SMURF1 type
ECF transporter transmembrane protein EcfT
ECF transporter, Riboflavin transporter RibU
ECF transporter, transmembrane component  CbiQ/NikQ
Ectoine/hydroxyEctoine ABC transporter solute-binding protein EhuB
Ectropic viral integration site 2A protein
Electron transfer flavoprotein, alpha subunit
Electron transfer flavoprotein, beta subunit
Electron transfer flavoprotein, beta-subunit, conserved site
Electron transfer flavoprotein, FixA subunit, predicted
Electron transfer flavoprotein, FixB subunit
Electron transport complex, RnfB, Proteobacteria
Endo-type membrane-bound lytic murein transglycosylase A
Endoglucanase H/Glycosyl hydrolase family 26
Endonuclease III-like, iron-sulphur cluster loop motif
Endoplasmic reticulum, protein ERp29, C-terminal
Epithelial discoidin domain-containing receptor 1
Epstein Barr virus nuclear antigen-1, DNA-binding
Equine herpesvirus protein of unknown function
ERGosterol biosynthesis methyltransferase (ERG6) family
Ergothioneine biosynthesis glutamate--cysteine ligase EgtA
Erythrocyte band 7 integral membrane protein (Stomatin)
Ethanolamine ammonia lyase large subunit
Ethylene insensitive 3-like protein, DNA-binding domain
Eukaryotic initiation factor 3, gamma subunit
Eukaryotic translation initiation factor 3 subunit A
Eukaryotic translation initiation factor 3 subunit B
Eukaryotic translation initiation factor 3 subunit C
Eukaryotic translation initiation factor 3 subunit C, N-terminal domain
Eukaryotic translation initiation factor 3 subunit D
Eukaryotic translation initiation factor 3 subunit E
Eukaryotic translation initiation factor 3 subunit F
Eukaryotic translation initiation factor 3 subunit G
Eukaryotic translation initiation factor 3 subunit H
Eukaryotic translation initiation factor 3 subunit I
Eukaryotic translation initiation factor 3 subunit J
Eukaryotic translation initiation factor 3 subunit K
Eukaryotic translation initiation factor 3 subunit M
Eukaryotic translation initiation factor 4E (eIF-4E), conserved site
Eukaryotic translation initiation factor 4E binding
Eukaryotic translation initiation factor SUI1
Exonuclease VII, large subunit, C-terminal
Exosome complex RNA-binding protein 1/RRP40/RRP4
Extracellular fibrinogen binding protein, C-terminal
Extracellular solute-binding protein, family 3
Extracellular solute-binding protein, family 3, conserved site
Extradiol aromatic ring-opening dioxygenase, DODA type
Extradiol ring-cleavage dioxygenase, class I /II
Extradiol ring-cleavage dioxygenase, class III enzyme, subunit B
F-actin capping protein, alpha subunit, conserved site
F-actin capping protein, beta subunit, conserved site
FAE1/Type III polyketide synthase-like protein
Fanconi anemia-associated protein of 100kDa
Fanconi anemia-associated protein of 24kDa
Fatty acid desaturase, type 1, C-terminal
Fatty acid oxidation complex, alpha subunit, mitochondrial
Fatty acid response transcription factor FadR
Fatty acid synthase, beta subunit, fungi
Fatty oxidation complex, alpha subunit FadB
Fatty oxidation complex, alpha subunit FadJ
Fe-S hydro-lyase, tartrate dehydratase alpha-type, catalytic domain
Fe-S hydro-lyase, tartrate dehydratase beta-type, catalytic domain
Ferredoxin thioredoxin reductase beta subunit, domain
Ferredoxin thioredoxin reductase, alpha chain
Ferrous iron transport protein B, C-terminal
Ferrous iron transport protein B, N-terminal
FeS cluster assembly SUF system, ATPase SufC
FGFR1 oncogene partner (FOP), N-terminal dimerisation domain
Fibrinogen, alpha/beta/gamma chain, coiled coil domain
Fibroblast growth factor receptor family
Flagellar basal body rod protein, N-terminal
Flagellar basal body-associated protein FliL
Flagellar filament outer layer protein FlaA
Flagellar hook-associated protein 2, N-terminal
Flagellar hook-basal body complex protein FliE
Flagellar hook-length control protein FliK
Flagellar motor switch FliN/Type III secretion HrcQb
Flagellar rod assembly protein/muramidase FlgJ
Flagellum-specific ATP synthase FliI, clade 3
Flaviviral glycoprotein, central domain, subdomain 1
Flavivirus  glycoprotein central and dimerisation domain
Flavoprotein pyridine nucleotide cytochrome reductase
FMN-dependent alpha-hydroxy acid dehydrogenase, active site
Focal adhesion kinase, targeting (FAT) domain
Formate dehydrogenase, alpha subunit, anaerobic
Formate-dependent cytochrome c nitrite reductase, c552 subunit
Formate-tetrahydrofolate ligase, FTHFS, conserved site
Formiminotransferas, N- and C-terminal subdomains
Formin homology family, Cappuccino subfamily
Formylmethanofuran dehydrogenase, fused subunit C/D
Formylmethanofuran: tetrahydromethanopterin formyltransferase Ftr, C-terminal
Formylmethanofuran: tetrahydromethanopterin formyltransferase Ftr, N-terminal
Fragile X mental retardation protein family
Fructose-bisphosphate aldolase class I, Gram positive bacteria-type
Fructose-bisphosphate aldolase, class II, Calvin cycle subtype
Fructose-bisphosphate aldolase, class II, yeast/E. coli subtype
Fumarate reductase respiratory complex, transmembrane subunit
Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal
Fumarate reductase/succinate dehydrogenase, FAD-binding site
G protein alpha subunit, helical insertion
G protein-coupled receptor 3/6/12 orphan
G protein-coupled receptor 40-related receptor
Galactose-1-phosphate uridyl transferase, class I
Galactose-1-phosphate uridyl transferase, class I His-active site
Galactose-1-phosphate uridyl transferase, class II
Galactose-1-phosphate uridyl transferase, class II, conserved site
Gamma-aminobutyric acid A receptor/Glycine receptor alpha
Gamma-aminobutyric-acid A receptor delta subunit
Gamma-aminobutyric-acid A receptor epsilon subunit
Gamma-aminobutyric-acid A receptor pi subunit
Gamma-aminobutyric-acid A receptor theta subunit
Gamma-aminobutyric-acid A receptor, alpha 1 subunit
Gamma-aminobutyric-acid A receptor, alpha 2 subunit
Gamma-aminobutyric-acid A receptor, alpha 3 subunit
Gamma-aminobutyric-acid A receptor, alpha 4 subunit
Gamma-aminobutyric-acid A receptor, alpha 5 subunit
Gamma-aminobutyric-acid A receptor, alpha 6 subunit
Gamma-aminobutyric-acid A receptor, alpha subunit
Gamma-aminobutyric-acid A receptor, beta subunit
Gamma-aminobutyric-acid A receptor, gamma 1 subunit
Gamma-aminobutyric-acid A receptor, gamma 2 subunit
Gamma-aminobutyric-acid A receptor, gamma 3 subunit
Gamma-aminobutyric-acid A receptor, gamma subunit
Gamma-glutamyl phosphate reductase GPR, conserved site
Gamma-tubulin complex component/Spindle pole body component
Gamma/beta/epsilon proteobacterial P-protein, chorismate mutase domain
Gas vesicle protein GvpA, conserved site
Gastric H+/K+-transporter P-type ATPase, N-terminal
GC-rich sequence DNA-binding factor domain
Geminin coiled-coil domain-containing protein 1
Geminivirus AL1 replication-associated protein, catalytic domain
Geminivirus AL1 replication-associated protein, central domain
Geminivirus AL1 replication-associated protein, CLV type
Geminivirus AL1 replication-associated protein, MSV type
General secretory system II, protein E, N-terminal
Geranylgeranyl transferase type-2 subunit beta
Geranylgeranylglyceryl phosphate synthase/Heptaprenylglyceryl phosphate synthase
GHMP kinase, ATP-binding, conserved site
Glial cell line-derived neurotrophic factor receptor
Glial cell line-derived neurotrophic factor receptor alpha 2
Glial cell line-derived neurotrophic factor receptor, alpha 1
Glial cell line-derived neurotrophic factor receptor, alpha 3
Glucan biosynthesis, periplasmic, MdoG C-terminal
Glucan exporter ATP-binding protein, NdvA
Glucocorticoid modulatory element-binding protein 1/2
Glutamate mutase E subunit, C-terminal domain
Glutamate synthase, alpha subunit, C-terminal
Glutamate synthase, NADH/NADPH, small subunit 1
Glutamate synthase, NADH/NADPH, small subunit 2
Glutamate-ammonia ligase adenylyltransferase, repeated domain
Glutamine synthetase type III N-terminal
Glutamine synthetase/guanido kinase, catalytic domain
Glutaminyl-tRNA synthetase, class Ib, non-specific RNA-binding domain 2
Glutaminyl-tRNA synthetase, class Ib, non-specific RNA-binding domain, N-terminal
Glutamyl-tRNA(Gln) amidotransferase subunit F, mitochondrial
Glutamyl-tRNA(Gln) amidotransferase, subunit B, conserved site
Glutamyl/glutaminyl-tRNA synthetase, class Ib, alpha-bundle domain
Glutamyl/glutaminyl-tRNA synthetase, class Ib, anti-codon binding domain
Glutamyl/glutaminyl-tRNA synthetase, class Ib, catalytic domain
Glutathione biosynthesis bifunctional protein GshAB
Glutathione-dependent formaldehyde-activating enzyme/centromere protein V
Glutathione-regulated potassium-efflux system ancillary protein KefF
Glutathione-regulated potassium-efflux system ancillary protein KefG
Glutathione-regulated potassium-efflux system protein KefB
Glutathione-regulated potassium-efflux system protein KefC
Glyceraldehyde 3-phosphate dehydrogenase, active site
Glyceraldehyde 3-phosphate dehydrogenase, catalytic domain
Glyceraldehyde 3-phosphate dehydrogenase, NAD(P) binding domain
Glycerate/sugar phosphate transporter, conserved site
Glycerol-3-phosphate O-acyltransferase, alpha helical bundle, N-terminal
Glycine betaine transport ATP-binding subunit
Glycine cleavage system H-protein, subgroup
Glycine cleavage system P protein, homodimeric
Glycine cleavage system P protein, subunit 2, putative
Glycine cleavage system P-protein, N-terminal
Glycine cleavage system T protein, bacteria
Glycine reductase complex selenoprotein A
Glycine/sarcosine/betaine reductase complex, protein B, subunit alpha/ beta
Glycine/sarcosine/betaine reductase, component B, fused alpha/beta
Glycoside hydrolase family 20, catalytic core
Glycoside hydrolase family 3 C-terminal domain
Glycoside hydrolase family 38, N-terminal domain
Glycoside hydrolase family 56, bee venom hyaluronidase
Glycoside hydrolase family 57, N-terminal domain
Glycoside hydrolase, chitinase active site
Glycoside hydrolase, family 1, active site
Glycoside hydrolase, family 1, beta-glucosidase
Glycoside hydrolase, family 11, active site
Glycoside hydrolase, family 13, N-terminal
Glycoside hydrolase, family 13, N-terminal Ig-like domain
Glycoside hydrolase, family 14, conserved site
Glycoside hydrolase, family 14A, bacterial
Glycoside hydrolase, family 16, active site
Glycoside hydrolase, family 16, CRH1, predicted
Glycoside hydrolase, family 18, catalytic domain
Glycoside hydrolase, family 19, catalytic
Glycoside hydrolase, family 2, beta-galactosidase
Glycoside hydrolase, family 2, immunoglobulin-like beta-sandwich
Glycoside hydrolase, family 2, TIM barrel
Glycoside hydrolase, family 2/20, immunoglobulin-like beta-sandwich domain
Glycoside hydrolase, family 22, lysozyme
Glycoside hydrolase, family 25, active site
Glycoside hydrolase, family 29, conserved site
Glycoside hydrolase, family 3, active site
Glycoside hydrolase, family 3, N-terminal
Glycoside hydrolase, family 32, active site
Glycoside hydrolase, family 33, N-terminal
Glycoside hydrolase, family 35, conserved site
Glycoside hydrolase, family 37, conserved site
Glycoside hydrolase, family 38, central domain
Glycoside hydrolase, family 4, conserved site
Glycoside hydrolase, family 42, N-terminal
Glycoside hydrolase, family 43, endo-1, 5-alpha-L-arabinosidase
Glycoside hydrolase, family 46, N-terminal
Glycoside hydrolase, family 49, N-terminal domain
Glycoside hydrolase, family 5, conserved site
Glycoside hydrolase, family 5, endoglucanase B
Glycoside hydrolase, family 6, conserved site
Glycoside hydrolase, family 62, arabinosidase
Glycoside hydrolase, family 65, central catalytic
Glycoside hydrolase, family 65, N-terminal
Glycoside hydrolase, family 70, catalytic domain
Glycoside hydrolase, family 9, active site
Glycoside hydrolase, family 9, N-terminal, Ig-like
Glycosyl hydrolase family 38, C-terminal
Glycosyl hydrolase family 67, C-terminal
Glycosyl hydrolase, family 13, catalytic domain
Glycosyl hydrolase, family 13, subfamily, catalytic domain
Glycosyl hydrolase, family 4, C-terminal
Glycosyl hydrolases family 2, sugar binding domain
Glycosyl transferase, family 28, C-terminal
Glycosyl transferase, family 8, C-terminal
GMP synthase (glutamine-hydrolyzing) subunit A
GMP synthetase ATP pyrophosphatase domain
Gonadotropin, beta subunit, conserved site
Gp90 coat polyprotein of equine infectious anemia virus (EIAV)
GPCR fungal pheromone mating factor, STE2
GPCR fungal pheromone mating factor, STE3
GPCR, family 2, brain-specific angiogenesis inhibitor
GPCR, family 2, calcitonin gene-related peptide, type 1 receptor
GPCR, family 2, calcitonin receptor family
GPCR, family 2, corticotropin releasing factor receptor
GPCR, family 2, corticotropin releasing factor receptor, type 1
GPCR, family 2, corticotropin releasing factor receptor, type 2
GPCR, family 2, diuretic hormone receptor
GPCR, family 2, extracellular hormone receptor domain
GPCR, family 2, gastric inhibitory polypeptide receptor
GPCR, family 2, glucagon-like peptide-1 receptor
GPCR, family 2, glucagon-like peptide-1/glucagon receptor
GPCR, family 2, growth hormone-releasing hormone receptor
GPCR, family 2, parathyroid hormone receptor
GPCR, family 2, pituitary adenylate cyclase activating polypeptide type 1 receptor
GPCR, family 2, secretin-like, conserved site
GPCR, family 2, vasoactive intestinal peptide receptor
GPCR, family 2, vasoactive intestinal peptide receptor 1
GPCR, family 2, vasoactive intestinal peptide receptor 2
GPCR, family 3, gamma-aminobutyric acid receptor, type B
GPCR, family 3, gamma-aminobutyric acid receptor, type B1
GPCR, family 3, gamma-aminobutyric acid receptor, type B2
GPCR, family 3, metabotropic glutamate receptor
GPCR, family 3, metabotropic glutamate receptor 1
GPCR, family 3, metabotropic glutamate receptor 2
GPCR, family 3, metabotropic glutamate receptor 3
GPCR, family 3, metabotropic glutamate receptor 4
GPCR, family 3, metabotropic glutamate receptor 5
GPCR, family 3, metabotropic glutamate receptor 6
GPCR, family 3, metabotropic glutamate receptor 7
GPCR, family 3, metabotropic glutamate receptor 8
GPCR, family 3, vomeronasal receptor, type 2
GPI ethanolamine phosphate transferase 1
GPI ethanolamine phosphate transferase 1, C-terminal
GPI-GlcNAc transferase complex, PIG-H component, conserved domain
Group II dsDNA virus coat/capsid protein
Growth arrest and DNA damage-inducible protein GADD45
Growth arrest/ DNA-damage-inducible protein-interacting protein 1
Growth hormone secretagogue receptor type 1
GTP cyclohydrolase I, feedback regulatory protein
GTP-binding protein TrmE/Glycine cleavage system T protein, domain 1
GTP-binding protein, ribosome biogenesis, YsxC
GTP-sensing transcriptional pleiotropic repressor CodY
GTP-sensing transcriptional pleiotropic repressor CodY, N-terminal
Guanine nucleotide binding protein (G-protein), alpha subunit
Guanine nucleotide exchange factor SopE family
Guanine nucleotide exchange factor SopE, GEF domain
Guanine-nucleotide dissociation stimulator, CDC24, conserved site
Guanosine pentaphosphate synthetase I/polyribonucleotide nucleotidyltransferase
Guanylate kinase/L-type calcium channel beta subunit
H/ACA ribonucleoprotein complex subunit Nop10 , archaeal-type
H/ACA ribonucleoprotein complex, subunit Gar1
H/ACA ribonucleoprotein complex, subunit Gar1, archaea
H/ACA ribonucleoprotein complex, subunit Gar1/Naf1
H/ACA ribonucleoprotein complex, subunit Nhp2, eukaryote
H/ACA ribonucleoprotein complex, subunit Nop10
H+ transporting P-type ATPase, subfamily IIIA
HAD-superfamily hydrolase, subfamily IA, CTE7
HAD-superfamily hydrolase, subfamily IA, YjjG/YfnB
HAD-superfamily hydrolase, subfamily IB, PSPase-like
HAD-superfamily hydrolase, superfamily IIB, YedP
HAD-superfamily phosphatase, subfamily IIIB, AphA
Haemagglutinin, HA1 chain, alpha/beta domain
Haemagglutinin, HA1 chain, beta-ribbon domain
Hap4 transcription factor, heteromerisation domain
HAUS augmin-like complex subunit 2, metazoa
HAUS augmin-like complex subunit 4, metazoa
Head domain of trimeric autotransporter adhesin
Heat shock factor (HSF)-type, DNA-binding
Heat shock protein DnaJ, cysteine-rich domain
Heat shock protein Hsp90, conserved site
Heat-inducible transcription repressor HrcA, C-terminal
Heavy metal-associated domain, copper ion-binding
Helicase, superfamily 1/2, ATP-binding domain, DinG/Rad3-type
Helicase, superfamily 3, single-stranded DNA/RNA virus
Helix-hairpin-helix DNA-binding motif, class 1
Helix-turn-helix DNA-binding domain of Spt6
Hematological and neurological expressed 1 protein
Hepatitis C virus core protein, C-terminal
Hepatitis C virus core protein, N-terminal
Hepatitis C virus envelope glycoprotein E1
Hepatitis C virus non-structural 5a protein
Hepatitis C virus non-structural protein NS2
Hepatitis C virus non-structural protein NS4a
Hepatitis C virus non-structural protein NS4b
Hepatocyte nuclear factor 1, alpha isoform C-terminal
Hepatocyte nuclear factor 1, beta isoform, C-terminal
Heptaprenyl diphosphate synthase subunit 1
Herpesvirus major outer envelope glycoprotein
Heterogeneous nuclear ribonucleoprotein U-like protein 1
High mobility group nucleosome-binding domain-containing family
Histidine biosynthesis bifunctional protein HisB
Histidine biosynthesis bifunctional protein HisIE
Histidine kinase  CheA-like, homodimeric domain
Histidine-tRNA ligase/ATP phosphoribosyltransferase regulatory subunit
Histidinol-phosphate phosphatase, putative, inositol monophosphatase
Histone acetyl transferase HAT1 N-terminal
Histone acetyltransferase type B, catalytic subunit
Histone deacetylase class II, eukaryotic
Histone deacetylase complex subunit SAP25
Histone deacetylase complex subunit SAP30, Sin3 binding domain
Histone H3-K4 methyltransferase Set1, fungal
Histone RNA hairpin-binding protein, RNA-binding domain
Histone RNA stem-loop-binding protein SLBP1/SLBP2
Histone-like DNA-binding protein, conserved site
Histone-like protein H-NS family, oligomerisation domain
Histone-like protein H-NS, C-terminal domain
HMG box A DNA-binding domain, conserved site
Hok/gef cell toxic protein, conserved site
Homeobox protein, antennapedia type, conserved site
Homoaconitase/3-isopropylmalate dehydratase, large subunit, prokaryotic
Homoprotocatechuate degradation transcriptional regulator HpaR
Homoserine dehydrogenase lacking ACT domain
Homoserine lactone synthase, LuxM/VanM, C-terminal
Homoserine lactone synthase, LuxM/VanM, N-terminal
Human immunodeficiency virus 1, Gp160, envlope glycoprotein
Hydrogenase nickel incorporation protein HypA/HybF
Hydroxy monocarboxylic acid anion dehydrogenase, HIBADH-type
Hydroxymethyl pyrimidine (HMP)/thiamine binding protein
Hydroxymethylglutaryl-CoA reductase, class I/II, catalytic domain
Hydroxymethylglutaryl-CoA reductase, class I/II, conserved site
Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding domain
Hydroxymethylglutaryl-CoA reductase, class I/II, substrate-binding domain
Hydroxymethylglutaryl-coenzyme A synthase C-terminal domain
Hydroxymethylglutaryl-coenzyme A synthase, active site
Hypoxia/Redox sensor histidine kinase response regulator DosT/DevS
Icosahedral viral capsid protein, S domain
Imidazole glycerol phosphate synthase HisHF
Imidazole glycerol phosphate synthase, subunit H
Immunodeficiency virus transactivating regulatory protein (Tat)
IMP biosynthesis enzyme PurP, C-terminal
IMP biosynthesis enzyme PurP, N-terminal
IMP dehydrogenase / GMP reductase, conserved site
Indole-3-glycerol phosphate synthase, conserved site
Indolepyruvate ferredoxin oxidoreductase, alpha subunit
Indolepyruvate ferredoxin oxidoreductase, beta subunit
Influenza matrix M1, N-terminal subdomain 1
Influenza matrix M1, N-terminal subdomain 2
Inner layer core protein VP3, Phytoreovirus
INO80 complex subunit B-like conserved region
Inorganic polyphosphate/ATP-NAD kinase, domain 1
Inosine/uridine-preferring nucleoside hydrolase, conserved site
Insulin-like growth factor 2 mRNA-binding protein 2
Insulin-like growth factor binding protein
Insulin-like growth factor binding protein 2
Insulin-like growth factor binding protein 3
Insulin-like growth factor binding protein 5
Insulin-like growth factor binding protein-related protein (IGFBP-rP), MAC25
Insulin-like growth factor-binding protein 1
Insulin-like growth factor-binding protein 4
Insulin-like growth factor-binding protein 6
Insulin-like growth factor-binding protein family 1-6, chordata
Insulin-like growth factor-binding protein, IGFBP
Integral membrane protein TerC, riboswitch-linked
Integrase, Tn916-type, N-terminal DNA binding
Integration host factor (IHF)-like DNA-binding domain
Inter-alpha-trypsin inhibitor heavy chain, C-terminal
Intercellular adhesion molecule/vascular cell adhesion molecule, N-terminal
Interferon regulatory factor DNA-binding domain
Interferon regulatory factor, conserved site
Interferon resistance/PKR inhibitor, vaccinia E3L type
Interferon-induced protein with tetratricopeptide repeats 1
Interferon-induced protein with tetratricopeptide repeats 2
Interferon-induced protein with tetratricopeptide repeats 3
Interleukin-1 receptor antagonist / Interleukin-36
Intermediate filament head, DNA-binding domain
Intimin/invasin bacterial adhesion mediator protein
Intracellular hyaluronic acid binding protein
Intraflagellar transport complex B protein 46
IQ calmodulin-binding motif-containing protein 1
Iron dependent repressor-like, metal binding and dimerisation domain
Iron dependent repressor, diptheria toxin type
Iron sulphur domain-containing, mitoNEET, N-terminal
Iron sulphur-containing domain, CDGSH-type, subfamily
Iron-sulfur cluster insertion protein ErpA
Iron-sulphur-dependent L-serine dehydratase beta subunit
Iron-sulphur-dependent L-serine dehydratase single chain form
ISC system FeS cluster assembly, HscA chaperone
ISC system FeS cluster assembly, IscA scaffold
ISC system FeS cluster assembly, IscU scaffold
Isocitrate and isopropylmalate dehydrogenases family
Isocitrate dehydrogenase NADP-dependent, dimeric, prokaryotic
Isopenicillin N synthase, conserved site
Janus kinase and microtubule-interacting protein
Junctional protein associated with coronary artery disease
K+ transporting P-type ATPase, F subunit
Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal
LacY/RafB permease family, conserved site
Lantibiotic leader peptide-processing serine protease
Large neutral amino acids transporter small subunit 4
Large T antigen, polyomavirus, C-terminal
Late embryogenesis abundant protein, LEA-25/LEA-D113
Late embryogenesis abundant protein, LEA-5
Lepidopteran low molecular weight lipoprotein
Leucine carboxyl methyltransferase 1, LCMT1
Leucine zipper putative tumor suppressor 2
Leucyl-tRNA synthetase, class Ia, archaeal/eukaryotic cytosolic
Leukemia inhibitory factor /oncostatin, conserved site
Leukocyte elastase inhibitor (serpin B1)
Lhr-like ATP-dependent RNA helicase, predicted
Ligand-dependent nuclear receptor-interacting factor 1
Light-independent protochlorophyllide reductase, B subunit
Light-independent protochlorophyllide reductase, iron-sulphur ATP-binding protein
Light-independent protochlorophyllide reductase, N subunit
Linker-for-activation of T cells (LAT) protein
Lipid A biosynthesis (KDO)2-(lauroyl)-lipid IVA acyltransferase
Lipid A biosynthesis lauroyl (or palmitoleoyl) acyltransferase
Lipid phosphate phosphatase-related protein type 1
Lipid phosphate phosphatase-related protein type 4
Lipid transport protein, beta-sheet shell
Lipid-binding serum glycoprotein, conserved site
Lipopolysaccharide core heptose(I) kinase rfaP
Lipopolysaccharide export system protein LptC
Lipoprotein releasing system, ATP-binding protein
Lipoprotein releasing system, transmembrane protein LolE
Lipoprotein releasing system, transmembrane protein, LolC/E family
LL-diaminopimelate aminotransferase, plants and Chlamydia type
Long hematopoietin receptor, Gp130 family 2, conserved site
Long hematopoietin receptor, single chain, conserved site
Long hematopoietin receptor, soluble alpha chain, conserved site
Low-density lipoprotein (LDL) receptor class A repeat
Lysyl-tRNA synthetase, class II, C-terminal
Lytic transglycosylase, superhelical U-shaped and linker domain
Magnesium chelatase, subunit H, N-terminal
Magnesium-protoporphyrin IX monomethyl ester aerobic oxidative cyclase
Magnesium-protoporphyrin IX monomethyl ester anaerobic oxidative cyclase
Magnesium-transporting P-type ATPase, subfamily IIIB
Maintenance of mitochondrial morphology protein 1
Major capsid L1 (late) protein, Papillomavirus
Major facilitator superfamily, aromatic acid:H+ symporter family
Male Drosophila accessory gland secretory protein
Malic enzyme, phosphate acetyl/butaryl transferase
Malonyl CoA-acyl carrier protein transacylase, FabD-type
Maltose fermentation regulatory protein, DNA-binding domain
Mandelate racemase/muconate lactonizing enzyme, conserved site
Mandelate racemase/muconate lactonizing enzyme/methylaspartate ammonia-lyase
Manganese/iron superoxide dismutase, binding site
Mannose-6-phosphate isomerase, Firmicutes type, short form
Mannose-6-phosphate isomerase, type II, C-terminal
Mas-related G protein-coupled receptor A
Mas-related G protein-coupled receptor D
Mas-related G protein-coupled receptor E
Mas-related G protein-coupled receptor F
Mas-related G protein-coupled receptor family
Mas-related G protein-coupled receptor G
Mas-related G protein-coupled receptor H
Mas-related G protein-coupled receptor X2
Mating factor alpha precursor, N-terminal
Matrix protein, N-terminal, lentiviral and alpha-retroviral
Mechanosensitive ion channel MscS, C-terminal
Mechanosensitive ion channel MscS, conserved site
Mechanosensitive ion channel MscS, transmembrane-2
Mediator complex, subunit Med1, metazoa/fungi
Mediator complex, subunit Med12, catenin-binding
Mediator complex, subunit Med15, metazoa
Mediator complex, subunit Med18, metazoa/fungi
Mediator complex, subunit Med19, metazoa
Mediator complex, subunit Med22, Saccharomycetaceae
Mediator complex, subunit Med29, metazoa
Mediator complex, subunit Med6, metazoa/plant
Mediator complex, subunit Med8, fungi/metazoa
Membrane attack complex component/perforin/complement C9
Membrane-bound alcohol dehydrogenase, cytochrome c subunit
Membrane-bound lytic murein transglycosylase F
Membrane-bound transcription factor site-2 protease
Menaquinone:cytochrome c reductase, cytochrome b/c subunit
Mercuric resistence transcriptional repressor protein MerD
Mercuric transport protein periplasmic component
Mercuric transport protein periplasmic component/copper chaperone CopZ
Methane monooxygenase, gamma chain, domain 1
Methane monooxygenase, gamma chain, domain 2
Methionine import ATP-binding protein MetN
Methionyl-tRNA synthetase, class Ia, beta subunit, C-terminal
Methyl coenzyme M reductase, alpha subunit
Methyl-accepting chemotaxis protein (MCP) signalling domain
Methyl-coenzyme M reductase, alpha subunit, C-terminal
Methyl-coenzyme M reductase, alpha subunit, N-terminal
Methyl-coenzyme M reductase, alpha subunit, N-terminal subdomain 1
Methyl-coenzyme M reductase, alpha subunit, N-terminal subdomain 2
Methyl-coenzyme M reductase, alpha/beta subunit, C-terminal
Methyl-coenzyme M reductase, alpha/beta subunit, domain 2, C-terminal
Methyl-coenzyme M reductase, beta subunit
Methyl-coenzyme M reductase, beta subunit, C-terminal
Methyl-coenzyme M reductase, beta subunit, N-terminal
Methyl-coenzyme M reductase, ferredoxin-like fold
Methyl-coenzyme M reductase, gamma subunit
Methylamine dehydrogenase accessory protein MauD
Methylamine/Aralkylamine dehydrogenase light chain, C-terminal domain
Methylguanine DNA methyltransferase, ribonuclease-like domain
Methylmalonic aciduria and homocystinuria type D protein
Methylmalonyl-CoA mutase, alpha chain, catalytic
Methylmalonyl-CoA mutase, alpha/beta chain, catalytic
Mg2+ transporter protein, CorA-like/Zinc transport protein ZntB
MHC class I alpha chain, alpha1 alpha2 domains
MHC class II-associated invariant chain, trimerisation
MHC class II-associated invariant chain/CLIP, MHC II-interacting
MHC class II, alpha/beta chain, N-terminal
Microsomal signal peptidase 12kDa subunit
Microtubule associated protein,  tubulin-binding repeat
Microtubule-associated protein 1A/1B light chain 3C
Microtubule-associated serine/threonine-protein kinase, pre-PK domain
Mini-chromosome maintenance complex protein 4
Mitochondrial apoptosis-inducing factor, C-terminal domain
Mitochondrial brown fat uncoupling protein
Mitochondrial degradasome RNA helicase subunit, C-terminal domain
Mitochondrial dimethyladenosine transferase 2, mitochondrial precursor
Mitochondrial distribution and morphology protein 10
Mitochondrial distribution and morphology protein 12
Mitochondrial distribution and morphology protein 34
Mitochondrial distribution and morphology protein family 31/32, fungi
Mitochondrial genome maintenance exonuclease 1
Mitochondrial import inner membrane translocase subunit Tim10
Mitochondrial import inner membrane translocase subunit Tim10/Tim12
Mitochondrial import inner membrane translocase subunit Tim12
Mitochondrial import inner membrane translocase subunit Tim16
Mitochondrial import inner membrane translocase subunit Tim21
Mitochondrial import inner membrane translocase subunit Tim44
Mitochondrial import inner membrane translocase subunit Tim50
Mitochondrial import receptor subunit Tom40
Mitochondrial import receptor subunit TOM5 homologue
Mitochondrial import receptor subunit TOM6
Mitochondrial import receptor subunit TOM6 homologue
Mitochondrial import receptor subunit TOM7
Mitochondrial inner membrane protease subunit 1
Mitochondrial inner membrane translocase complex, subunit Tim17
Mitochondrial inner membrane translocase complex, subunit Tim23
Mitochondrial outer membrane translocase complex, subunit Tom22
Mitochondrial outer membrane translocase complex, subunit Tom22, fungi
Mitochondrial outer membrane translocase complex, subunit Tom70
Mitochondrial outer membrane transport complex protein, metaxin
Mitochondrial outer membrane transport complex,  Sam37/metaxin
Mitochondrial ribonuclease P, tRNA methyltransferase protein 1
Mitochondrial ubiquitin ligase activator of NFKB 1
Mitogen-activated protein (MAP) kinase kinase kinase 10
Mitogen-activated protein (MAP) kinase kinase kinase 7
Mitogen-activated protein (MAP) kinase kinase kinase 8
Mitogen-activated protein (MAP) kinase kinase kinase kinase
Mitogen-activated protein (MAP) kinase kinase kinase, 9/10/11
Mitogen-activated protein (MAP) kinase kinase kinase, SSK22
Mitogen-activated protein (MAP) kinase phosphatase
Mitogen-activated protein (MAP) kinase, conserved site
Mitogen-activated protein (MAP) kinase, ERK1/2
Mitogen-activated protein (MAP) kinase, ERK3/4
Mitogen-activated protein (MAP) kinase, JNK
Mitogen-activated protein (MAP) kinase, p38
Mitogen-activated protein kinase kinase kinase 12
Mitogen-activated protein kinase kinase kinase 13
Mitogen-activated protein kinase kinase kinase, 12/13
MoaA/nifB/pqqE, iron-sulphur binding, conserved site
Molecular chaperone Hsp31 and glyoxalase 3
Molybdate ABC transporter, ATP-binding protein
Molybdate ABC transporter, permease protein
Molybdenum ABC transporter, periplasmic binding protein
Molybdenum cofactor biosynthesis protein A
Molybdenum cofactor biosynthesis protein A, archaea
Molybdenum cofactor biosynthesis protein MoaB
Molybdenum cofactor biosynthesis, conserved site
Molybdopterin cofactor biosynthesis C (MoaC) domain
Molybdopterin converting factor, subunit 1
Molybdopterin guanine dinucleotide-containing S/N-oxide reductase
Molybdopterin oxidoreductase, molybdopterin cofactor binding site
Molybdopterin oxidoreductase, prokaryotic, conserved site
Molybdopterin synthase catalytic subunit, eukaryotes
Molybdopterin synthase sulfur carrier subunit
Molybdopterin-guanine dinucleotide biosynthesis protein B (MobB) domain
Mononegavirales RNA-directed RNA polymerase catalytic domain
Monovalent cation proton antiporter subunit A
Monovalent cation:proton antiporter, subunit B
mRNA capping enzyme, beta subunit, structural domain
mRNA capping enzyme, large subunit, ATPase/guanylyltransferase, virus
mRNA splicing factor, thioredoxin-like U5 snRNP
Mu1 membrane penetration protein, alpha/beta subdomain
Mu1 membrane penetration protein, beta-sandwich subdomain
Myc-type, basic helix-loop-helix (bHLH) domain
Mycobacterial cell wall arabinan synthesis protein
Mycothiol-dependent maleylpyruvate isomerase, metal-binding domain
Myeloid differentiation primary response protein MyD88
Myotonic dystrophy protein kinase, coiled coil
Myristoylated alanine-rich C-kinase substrate MARCKS
N-(5'phosphoribosyl) anthranilate isomerase (PRAI) like domain
N-acetylmuramic acid 6-phosphate etherase MurQ
N6 adenine-specific DNA methyltransferase, D21 class
N6 adenine-specific DNA methyltransferase, N12 class
Na+ channel, amiloride-sensitive, conserved site
Na+-transporting methylmalonyl-CoA/oxaloacetate decarboxylase, beta subunit
NAD-dependent histone deacetylase Sir2, N-terminal
NAD(P)H-quinone oxidoreductase subunit 3, bacterial/plastid
NAD(P)H-quinone oxidoreductase, subunit N/subunit 2
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 4
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8
NADH dehydrogenase subunit 2, C-terminal
NADH dehydrogenase subunit 5, C-terminal
NADH dehydrogenase ubiquinone Fe-S protein 4, mitochondrial
NADH dehydrogenase/NAD(P)H nitroreductase, putative, RutE
NADH ubiquinone oxidoreductase, F subunit
NADH ubiquinone oxidoreductase, F subunit, iron sulphur binding
NADH-plastoquinone oxidoreductase, chain 5 subgroup
NADH-quinone oxidoreductase, chain G, C-terminal
NADH-quinone reductase, Na(+)-translocating, F subunit
NADH-quinone reductase, Na(+)-translocating, subunit A
NADH-quinone reductase, Na(+)-translocating, subunit A, C-terminal
NADH-ubiquinone oxidoreductase 1 subunit C1
NADH-ubiquinone oxidoreductase, 20 Kd subunit
NADH:ubiquinone oxidoreductase, 30kDa subunit, conserved site
NADH:ubiquinone oxidoreductase, 49kDa subunit, conserved site
NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved site
NADH:ubiquinone oxidoreductase, 75kDa subunit, conserved site
NADH:ubiquinone oxidoreductase, beta subcomplex, subunit 8
NADH:ubiquinone oxidoreductase, chain 4, N-terminal
NADH:ubiquinone oxidoreductase, chain 5/L, N-terminal
NADH:ubiquinone oxidoreductase, Na(+)-translocating, B subunit
NADH:ubiquinone oxidoreductase, Na(+)-translocating, C subunit
NADH:ubiquinone oxidoreductase, Na(+)-translocating, D subunit
NADH:ubiquinone oxidoreductase, Na(+)-translocating, E subunit
NADH:ubiquinone oxidoreductase, subunit 1, conserved site
NADH:ubiquinone oxidoreductase, subunit 1/F420H2 oxidoreductase subunit H
NADH:ubiquinone oxidoreductase, subunit G, iron-sulphur binding
NADH:ubiquinone/plastoquinone oxidoreductase, chloroplast chain 5, C-terminal
NADP-dependent 3-hydroxyisobutyrate dehydrogenase, NAD-binding domain
NADPH-cytochrome p450 reductase, FAD-binding, alpha-helical domain-3
NADPH-dependent 7-cyano-7-deazaguanine reductase, QueF type 1
NADPH-dependent 7-cyano-7-deazaguanine reductase, QueF type 2
Nascent polypeptide-associated complex (NAC), archaeal
Negative regulator of Ofd1/Enhancer of translation termination 1
Nematode insulin-related peptide, beta type
Neural retina-specific leucine zipper protein
Neuronal tyrosine-phosphorylated phosphoinositide-3-kinase adapter 1/2
Neuronal tyrosine-phosphorylated phosphoinositide-3-kinase adapter 2
Nickel ABC transporter, periplasmic nickel-binding protein
Nickel ABC transporter, permease subunit NikB
Nickel ABC transporter, permease subunit NikC
Nickel-dependent hydrogenase b-type cytochrome subunit
Nickel-dependent hydrogenase, large subunit, nickel binding site
Nickel-responsive transcriptional regulator NikR, proteobacteria
NIF system FeS cluster assembly, NifU, C-terminal
NIF system FeS cluster assembly, NifU, N-terminal
Nitrate transport ATP-binding subunit C/D
Nitric oxide reductase FlRd-NAD(+) reductase
Nitric oxide synthase, oxygenase subunit
Nitrile hydratase alpha /Thiocyanate hydrolase gamma
Nitrilotriacetate monooxygenase component A/pristinamycin IIA synthase subunit A
Nitrite reductase [NAD(P)H] large subunit, NirB
Nitrite reductase [NAD(P)H] large subunit, NirD bacterial-type
Nitrite reductase [NAD(P)H] small subunit, NirD
Nitrite reductase [NAD(P)H], large subunit
Nitrite reductase c-type cytochrome, NrfH
Nitrogen fixation negative regulator NifL
Nitrogen regulatory protein P-II, urydylation site
Nitrogen regulatory protein PII, conserved site
Nitrogenase cofactor biosynthesis protein NifB
Nitrogenase iron protein, subunit NifH/Protochlorophyllide reductase, subunit ChlL
Nitrogenase iron-iron protein, alpha chain
Nitrogenase MoFe cofactor biosynthesis protein NifE
Nitrogenase MoFe maturation protein, NifZ
Nitrogenase molybdenum-iron cofactor biosynthesis protein
Nitrogenase molybdenum-iron protein alpha chain
Nitrogenase molybdenum-iron protein beta chain
Nitrogenase vanadium-iron protein, alpha chain
Nitrous oxide reductase expression regulator NosR
Nodulation protein A, NodA, conserved site
Non-heme iron, alpha-ketoglutarate-dependent oxygenase, clavaminate synthase type
Non-structural maintenance of chromosomes element 1
Nonstructural protein NS3/small envelope protein E
Nuclear envelope phosphatase-regulatory subunit 1
Nuclear factor of activated T cells (NFAT)
Nuclear factor related to kappa-B-binding protein
Nuclear hormone receptor, ligand-binding, core
Nuclear receptor coactivator, CREB-bp-like, interlocking
Nuclear receptor coactivator, Ncoa-type, interlocking
Nuclear RNA export factor Tap, RNA-binding domain
Nuclear transition protein 1, conserved site
Nucleolar and spindle-associated protein 1
Nucleolar GTP-binding protein 1, Rossman-fold domain
Nucleopolyhedrovirus late expression factor 3
OB-fold nucleic acid binding domain, AA-tRNA synthetase-type
Oligopeptide/dipeptide ABC transporter, ATP-binding protein, C-terminal
Opine oxidase, subunit A/hydrogen cyanide synthase, subunit B
Opioid growth factor receptor (OGFr) conserved domain
Organic anion transporter polypeptide OATP
Organic hydroperoxide resistance protein famiy
Organic solvent tolerance protein, C-terminal
Origin recognition complex, subunit 6, metazoa/plant
Orotidine 5'-phosphate decarboxylase, active site
Orotidine 5'-phosphate decarboxylase, type 2
Outer capsid protein Mu1, alpha-bundle subdomain 2
Outer membrane lipoprotein carrier protein LolA, Proteobacteria
Outer membrane lipoprotein, Omp19, bacterial
Outer membrane protein, MIM1/TOM13, mitochondrial
Outer membrane protein, OmpA-like, conserved site
Outer membrane protein, OmpA-like, transmembrane domain
Outer membrane protein/outer membrane enzyme PagP , beta-barrel
Oxaloacetate decarboxylase gamma chain, probable
Oxidative stress-induced growth inhibitor 1
Oxoglutarate/iron-dependent oxygenase, C-terminal degradation domain
Oxygen oxidoreductase covalent FAD-binding site
P pili tip fibrillum PapE protein, Escherichia coli
p53/RUNT-type transcription factor, DNA-binding domain
Pancreatic progenitor cell differentiation and proliferation factor
Pantothenate kinase, acetyl-CoA regulated, two-domain type
Para-hydroxybenzoic acid efflux pump subunit AaeB/fusaric acid resistance protein
Para-hydroxybenzoic acid efflux pump, subunit AaeB
Paramyxovirinae P phosphoprotein C-terminal domain
Paramyxovirinae protein V, zinc-binding domain
Parvovirus non-structural protein 1, helicase domain
PEA3-type ETS-domain transcription factor, N-terminal
Peptidase A1, beta-site APP cleaving enzyme 1, BACE 1
Peptidase A1, beta-site APP cleaving enzyme 2, BACE 2
Peptidase A1, beta-site APP cleaving enzyme, BACE
Peptidase A22A, presenilin, nematode type
Peptidase A22B, signal peptide peptidase
Peptidase A31, coenzyme F420-reducing hydrogenase delta subunit
Peptidase A31, hydrogenase expression/formation protein
Peptidase A31, hydrogenase maturation protease HycI
Peptidase C12, ubiquitin carboxyl-terminal hydrolase
Peptidase C14, caspase non-catalytic subunit p10
Peptidase C14, ICE, catalytic subunit p20
Peptidase C14, ICE, catalytic subunit p20, active site
Peptidase C14A, caspase precursor p45, core
Peptidase C19, ubiquitin carboxyl-terminal hydrolase
Peptidase C19, ubiquitin carboxyl-terminal hydrolase, conserved site
Peptidase C19, ubiquitin-specific peptidase, DUSP domain
Peptidase C24, Calicivirus polyprotein Orf1
Peptidase C27, rubella virus endopeptidase
Peptidase C28, foot-and-mouth virus L-proteinase
Peptidase C3, picornavirus core protein 2A
Peptidase C39, ABC-type bacteriocin transporter
Peptidase C58, Yersinia/Haemophilus virulence surface antigen
Peptidase C6, potyvirus helper component proteinase
Peptidase M1, alanine aminopeptidase/leukotriene A4 hydrolase
Peptidase M1, leukotriene A4 hydrolase, aminopeptidase C-terminal
Peptidase M1, membrane alanine aminopeptidase, N-terminal
Peptidase M10 serralysin C-terminal domain
Peptidase M10A, cysteine switch, zinc binding site
Peptidase M10A, matrix metallopeptidase, C-terminal
Peptidase M12A, nematode astacin 9/10/11
Peptidase M15D, VanX D-ala-D-ala dipeptidase
Peptidase M17, leucyl aminopeptidase, C-terminal
Peptidase M17, leucyl aminopeptidase, N-terminal
Peptidase M24A, methionine aminopeptidase, subfamily 1
Peptidase M24A, methionine aminopeptidase, subfamily 2
Peptidase M32, carboxypeptidase Taq metallopeptidase
Peptidase M50, putative membrane-associated zinc metallopeptidase
Peptidase M74, penicillin-insensitive murein endopeptidase
Peptidase S1, trypsin family, active site
Peptidase S10, serine carboxypeptidase, active site
Peptidase S11, D-Ala-D-Ala carboxypeptidase A, C-terminal
Peptidase S11, D-alanyl-D-alanine carboxypeptidase A
Peptidase S11, D-alanyl-D-alanine carboxypeptidase A, N-terminal
Peptidase S13, D-Ala-D-Ala carboxypeptidase C
Peptidase S1A, coagulation factor VII/IX/X/C/Z
Peptidase S26A, signal peptidase I, conserved site
Peptidase S26A, signal peptidase I, lysine active site
Peptidase S26A, signal peptidase I, serine active site
Peptidase S26B, eukaryotic signal peptidase
Peptidase S26C, conjugative transfer signal peptidase TraF
Peptidase S29, hepatitus C polyprotein NS3
Peptidase S30, polyprotein P1, potyvirus
Peptidase S48, heterocyst differentiation control protein HetR
Peptidase S54, GlpG peptidase, N-terminal
Peptidase S54, rhomboid-like, Rom4/Rom5, apicomplexa
Peptidase S9, prolyl oligopeptidase, catalytic domain
Peptidase S9B, dipeptidylpeptidase IV N-terminal
Peptidase T1A, proteasome beta-subunit, actinobacteria
Peptidase T1A, proteasome beta-subunit, archaeal
Peptidase U4, sporulation factor SpoIIGA
Peptide chain release factor 2, bacterial
Peptide chain release factor class I/class II
Peptide methionine sulphoxide reductase MrsB
Peptide methionine sulphoxide reductase MsrA
Peptidoglycan recognition protein family domain, metazoa/bacteria
Peptidyl-prolyl cis-trans isomerase, FKBP-type, domain
Peptidyl-prolyl cis-trans isomerase, FKBP-type, N-terminal
Periplasmic nitrate reductase c-type cytochrome, NapC/NirT
Periplasmic nitrate reductase, large subunit
Periplasmic protein thiol:disulphide oxidoreductase DsbE
Periplasmic solute binding protein family
Permease, cytosine/purines, uracil, thiamine, allantoin
Peroxisomal fatty acyl CoA transporter, transmembrane domain
Peroxisome biogenesis factor 1, N-terminal
Peroxysomal long chain fatty acyl transporter
PEST proteolytic signal-containing nuclear protein
PetM of cytochrome b6/f complex subunit 7
Phenylacetate degradation probable enoyl-CoA hydratase PaaB
Phenylacetic acid degradation operon negative regulatory protein PaaX
Phenylacetic acid degradation protein PaaD
Phenylalanine-tRNA ligase alpha chain 1, bacterial
Phenylalanine-tRNA ligase alpha subunit,  bacterial/archaeal
Phenylalanine-tRNA ligase beta chain 2, bacterial/archaeal
Phenylalanine-tRNA ligase, beta subunit, ferrodoxin-fold anticodon-binding
Phenylalanine-tRNA ligase, class II, N-terminal
Phenylalanine-tRNA ligase, class IIc, beta subunit
Phenylalanyl-tRNA synthetase, class IIc, alpha subunit
Phenylalanyl-tRNA synthetase, class IIc, beta subunit, archae/euk cytosolic
Phenylalanyl-tRNA synthetase, class IIc, mitochondrial
Phosphate ABC transporter, permease protein PstC
Phosphate transport system permease protein 1
Phosphate transport system permease protein PstA
Phosphate/phosphite/phosphonate  ABC transporter, periplasmic protein
Phosphatidic acid phosphatase type 2/haloperoxidase
Phosphatidylinositol-4, 5-bisphosphate phosphodiesterase beta, conserved site
Phosphatidylinositol-glycan biosynthesis class S protein
Phosphoenolpyruvate carboxykinase (ATP), conserved site
Phosphoenolpyruvate carboxykinase, GTP-utilising, conserved site
Phosphoinositide 3-kinase regulatory subunit 5/6
Phospholipase A2 inhibitor, alpha/gamma type
Phospholipase C, phosphatidylinositol-specific, Y domain
Phospholipase D, phosphatidylserine synthase type
Phosphomannose isomerase, type I, conserved site
Phosphonate ABC transporter, periplasmic substrate-binding protein
Phosphoribosyl pyrophosphate synthetase, conserved site
Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase HisA
Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase, eukaryotic
Phosphorylase kinase, gamma catalytic subunit
Phosphotransferase system EIIB component, mannitol-specific
Phosphotransferase system EIIB, cysteine phosphorylation site
Phosphotransferase system, alpha-glucoside-specific IIBC component
Phosphotransferase system, beta-glucoside-specific IIABC component
Phosphotransferase system, cellobiose-type IIC component
Phosphotransferase system, EIIB component, type 2
Phosphotransferase system, EIIB component, type 2/3
Phosphotransferase system, EIIB component, type 3
Phosphotransferase system, EIIC component, type 3
Phosphotransferase system, enzyme I  N-terminal
Phosphotransferase system, enzyme II sorbitol-specific factor
Phosphotransferase system, fructose IIC component
Phosphotransferase system, fructose-specific IIB subunit
Phosphotransferase system, glucitol/sorbitol-specific IIA component
Phosphotransferase system, glucitol/sorbitol-specific IIA component, subgroup
Phosphotransferase system, IIA component fructose subfamily
Phosphotransferase system, IIA-like nitrogen-regulatory protein PtsN
Phosphotransferase system, IIB component, type 1
Phosphotransferase system, lactose-specific IIC component
Phosphotransferase system, lactose/cellobiose-specific IIA subunit
Phosphotransferase system, maltose/glucose-specific subfamily IIC component
Phosphotransferase system, mannitol-specific enzyme IIC
Phosphotransferase system, mannose family IIA component
Phosphotransferase system, mannose-type IIA component
Phosphotransferase system, mannose/fructose/sorbose family IID component
Phosphotransferase system, mannose/fructose/sorbose family IID component, subgroup
Phosphotransferase system, N-acetylglucosamine-specific IIBC component
Phosphotransferase system, sorbose subfamily IIB component
Phosphotransferase system, sorbose subfamily IIB component, subgroup
Phosphotransferase system, sorbose-specific IIC subunit
Phosphotransferase system, sorbose-specific IIC subunit, subgroup
Phosphotransferase system, sucrose-specific IIBC component
Phosphotransferase system, sugar-specific permease component
Phosphotransferase system, sugar-specific permease EIIA type 1
Phosphotransferase system, trehalose-specific IIBC component
Phosphotransferease, sorbitol phosphotransferase enzyme II
Photosynthetic reaction centre, cytochrome c subunit
Photosynthetic reaction centre, H subunit
Photosynthetic reaction centre, H subunit, N-terminal
Photosynthetic reaction centre, L subunit
Photosynthetic reaction centre, M subunit
Photosystem I PsaE, reaction centre subunit IV
Photosystem I PsaF, reaction centre subunit III
Photosystem I PsaH, reaction centre subunit VI
Photosystem I PsaI, reaction centre subunit VIII
Photosystem I PsaJ, reaction centre subunit IX
Photosystem I PsaL, reaction centre subunit XI
Photosystem I PsaN, reaction centre subunit N
Photosystem II cytochrome b559, alpha subunit
Photosystem II cytochrome b559, alpha subunit, lumenal region
Photosystem II cytochrome b559, beta subunit
Photosystem II cytochrome b559, conserved site
Photosystem II cytochrome b559, N-terminal
Photosystem II cytochrome c-550 precursor
Photosystem II PsbP, oxygen evolving complex
Photosystem II PsbQ, oxygen evolving complex
Photosystem II PsbU, oxygen evolving complex
Photosystem II PsbV, cytochrome c-550 precursor
Photosystem II reaction centre protein Ycf12
Pimelyl-[acyl-carrier protein] methyl ester esterase
Plant EC metallothionein-like protein, family 15
Plant lipid transfer protein/Par allergen
Plant specific mitochondrial import receptor subunit TOM20
Plasminogen activator inhibitor 1 RNA-binding protein
Platelet-derived growth factor receptor alpha
Platelet-derived growth factor receptor beta
PLC-like phosphodiesterase, TIM beta/alpha-barrel domain
Pleiotrophin/Midkine heparin-binding growth factor, conserved site
Pollen allergen Poa pIX/Phl pVI, N-terminal
Poly-beta-1,6 N-acetyl-D-glucosamine export porin PgaA
Poly(R)-hydroxyalkanoic acid synthase, class I
Poly(R)-hydroxyalkanoic acid synthase, class II
Poly(R)-hydroxyalkanoic acid synthase, class III, PhaC subunit
Polyadenylate binding protein, human types 1, 2, 3, 4
Polycystic kidney disease type 1 protein
Polycystic kidney disease type 2 protein
Polyhedral organelle shell protein, EutL/PduB type
Polysaccharide biosynthesis protein, CapD-like domain
Polysaccharide export inner-membrane protein, BexC/CtrB/KpsE/VexD
Polysaccharide lyase family 8-like, C-terminal
Polysaccharide lyase family 8, C-terminal
Polysaccharide lyase family 8, central domain
Polysaccharide lyase family 8, N-terminal
Porphobilinogen deaminase, dipyrromethane cofactor binding site
Potassium channel tetramerisation-type BTB domain
Potassium channel, calcium-activated, BK, alpha subunit
Potassium channel, calcium-activated, BK, beta subunit
Potassium channel, inwardly rectifying, Kir
Potassium channel, inwardly rectifying, Kir1.1
Potassium channel, inwardly rectifying, Kir1.2
Potassium channel, inwardly rectifying, Kir1.3
Potassium channel, inwardly rectifying, Kir2.1
Potassium channel, inwardly rectifying, Kir2.2
Potassium channel, inwardly rectifying, Kir2.3
Potassium channel, inwardly rectifying, Kir3.1
Potassium channel, inwardly rectifying, Kir3.2
Potassium channel, inwardly rectifying, Kir3.3
Potassium channel, inwardly rectifying, Kir3.4
Potassium channel, inwardly rectifying, Kir5
Potassium channel, inwardly rectifying, Kir6.1
Potassium channel, inwardly rectifying, Kir6.2
Potassium channel, voltage dependent, KCNQ
Potassium channel, voltage dependent, KCNQ1
Potassium channel, voltage dependent, KCNQ2
Potassium channel, voltage dependent, KCNQ3
Potassium channel, voltage dependent, Kv
Potassium channel, voltage dependent, Kv1
Potassium channel, voltage dependent, Kv1.1
Potassium channel, voltage dependent, Kv1.2
Potassium channel, voltage dependent, Kv1.3
Potassium channel, voltage dependent, Kv1.4, tandem inactivation domain
Potassium channel, voltage dependent, Kv1.5
Potassium channel, voltage dependent, Kv1.6
Potassium channel, voltage dependent, Kv2
Potassium channel, voltage dependent, Kv2.1
Potassium channel, voltage dependent, Kv2.2
Potassium channel, voltage dependent, Kv3
Potassium channel, voltage dependent, Kv3.1
Potassium channel, voltage dependent, Kv3.3
Potassium channel, voltage dependent, Kv3.4
Potassium channel, voltage dependent, Kv4
Potassium channel, voltage dependent, Kv4.1
Potassium channel, voltage dependent, Kv4.2
Potassium channel, voltage dependent, Kv4.3
Potassium channel, voltage dependent, Kv6
Potassium channel, voltage dependent, Kv8.1
Potassium channel, voltage dependent, Kv9
Potassium channel, voltage-dependent, beta subunit, KCNAB
Potassium channel, voltage-dependent, beta subunit, KCNAB1
Potassium channel, voltage-dependent, beta subunit, KCNAB2
Potassium channel, voltage-dependent, beta subunit, KCNAB3
Potassium channel, voltage-dependent, beta subunit, KCNE
Potassium channel, voltage-dependent, beta subunit, KCNE1
Potassium channel, voltage-dependent, beta subunit, KCNE2
Potassium channel, voltage-dependent, beta subunit, KCNE3
Potassium-transporting P-type ATPase, B chain, subfamily IA
Potato leaf roll virus readthrough protein
Poxvirus early transcription factor, large subunit
Poxvirus mRNA capping enzyme, small subunit
Poxvirus poly(A) polymerase, catalytic subunit
Poxvirus VLTF3, late transcription factor
PQQ-dependent membrane bound dehydrogenase, glucose/quinate/shikimate-related
Precursor fusion glycoprotein F0, Paramyxoviridae
Predicted retinoblastoma binding protein (RIZ)
Prepilin type IV endopeptidase, peptidase domain
Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein
Probable cadmium transporting P-type ATPase
Probable cytosolic iron-sulfur protein assembly protein, CIAO1/Cia1
Probable DNA packing protein, C-terminal
Probable DNA packing protein, N-terminal
Probable DNA-directed RNA polymerase subunit delta
Probable exosome complex RNA-binding protein 1
Probable glycine dehydrogenase (decarboxylating) subunit 1
Probable tRNA pseudouridine synthase B, archaeal
Programmed cell death protein 2, C-terminal
Prokaryotic chromosome segregation/condensation protein MukE
Proliferating cell nuclear antigen, PCNA
Proliferating cell nuclear antigen, PCNA, C-terminal
Proliferating cell nuclear antigen, PCNA, N-terminal
Proline-rich nuclear receptor coactivator 2
Proline-tRNA ligase, class II, C-terminal
Proline-tRNA ligase, class IIa, archaeal-type
Prolyl-tRNA synthetase, class II, C-terminal, archaeal-type
Prolyl-tRNA synthetase, class IIa, bacterial-type
Prolyl-tRNA synthetase, class IIa, type 1
Proteasome activator pa28, C-terminal domain
Proteasome activator pa28, N-terminal domain
Proteasome beta-type subunit, conserved site
Proteasome endopeptidase complex, beta subunit
Protein G-related, albumin-binding GA module
Protein kinase C-like, phorbol ester/diacylglycerol-binding domain
Protein kinase C, alpha/beta/gamma types
Protein kinase C, delta/epsilon/eta/theta types
Protein N-terminal glutamine amidohydrolase, alpha beta roll
Protein of unknown function DUF106, transmembrane
Protein of unknown function DUF1687, fungi
Protein of unknown function DUF846, eukaryotic
Protein of unknown function DUF858, methyltransferase-like
Protein of unknown function DUF92, TMEM19
Protein phosphatase 1 regulatory subunit 26
Protein phosphatase 1 regulatory subunit 36
Protein phosphatase 2A, regulatory B subunit, B56
Protein phosphatase 2A, regulatory subunit PR55
Protein phosphatase 2C (PP2C)-like domain
Protein phosphatase 2C, manganese/magnesium aspartate binding site
Protein phosphatase Slingshot homologue 1
Protein serine/threonine phosphatase 2C, C-terminal
Protein translocase complex, SecE/Sec61-gamma subunit
Protein translocase SEC61 complex,  gamma subunit
Protein-arginine deiminase (PAD), central domain
Protein-export membrane protein SecF, archaeal
Protein-export membrane protein SecF, bacterial
Protein-tyrosine phosphatase, dual specificity phosphatase, eukaryotic
Protein-tyrosine phosphatase, low molecular weight
Protein-tyrosine phosphatase, low molecular weight, mammalian
Protein-tyrosine phosphatase, non-receptor type-14, -21
Protein-tyrosine phosphatase, non-receptor type-3, -4
Protein-tyrosine phosphatase, non-receptor type-6, -11
Protein-tyrosine phosphatase, receptor type R/non-receptor type 5
Proteinase inhibitor I13, potato inhibitor I
Proteinase inhibitor I15, leech antistasin
Proteinase inhibitor I16, Streptomyces subtilisin-type inhibitor
Proteinase inhibitor I16, Streptomyces subtilisin-type inhibitor, conserved site
Proteinase inhibitor I2, tissue factor pathway inhibitor
Proteinase inhibitor I25C, fetuin, conserved site
Proteinase inhibitor I35, tissue inhibitor of metalloproteinase
Proteobacterial thiamine ABC transporter, periplasmic binding protein
Protochlorophyllide reductase, ChlB, light independent
Pseudouridine synthase I, TruA, alpha/beta domain
Pseudouridine synthase I, TruA, C-terminal
Pseudouridine synthase I, TruA, N-terminal
Pseudouridine synthase TruD, conserved site
Pseudouridine synthase, RluC/RluD, conserved site
Pseudouridine synthase, RsuA/RluB/E/F, conserved site
Pseudouridine synthase, TruD, insertion domain
PTR2 family proton/oligopeptide symporter, conserved site
PTS system glucose-specific IIBC component
PTS system, maltose/glucose-specific IIBC component
Purine nucleoside phosphorylase I, inosine/guanosine-specific
Purine phosphorylase, family 2, conserved site
Pyridine nucleotide-disulphide oxidoreductase, class I, active site
Pyridine nucleotide-disulphide oxidoreductase, class-II, active site
Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain
Pyridine nucleotide-disulphide oxidoreductase, FAD/NAD(P)-binding domain
Pyridine nucleotide-disulphide oxidoreductase, NAD-binding domain
Pyridoxal phosphate (active vitamin B6) biosynthesis PdxJ
Pyridoxal phosphate (active vitamin B6) biosynthesis, pyridoxal kinase
Pyridoxal phosphate-dependent transferase, major region, subdomain 1
Pyridoxal phosphate-dependent transferase, major region, subdomain 2
Pyridoxamine 5'-phosphate oxidase-like, FMN-binding domain
Pyridoxamine 5'-phosphate oxidase, Alr4036 family, FMN-binding domain
Pyridoxamine 5'-phosphate oxidase, conserved site
Pyridoxine 5'-phosphate oxidase, dimerisation, C-terminal
Pyruvate dehydrogenase (acetyl-transferring) E1 component, alpha subunit, subgroup y
Pyruvate dehydrogenase E1 component subunit beta
Pyruvate kinase, beta-barrel insert domain
Pyruvate Pi dikinase regulator, chloroplast
Pyruvoyl-dependent histidine decarboxylase proenzyme, Gram-positive
Pyruvoyl-dependent histidine/arginine decarboxylase, 3-layer sandwich domain
Quinohemoprotein amine dehydrogenase, gamma subunit, structural domain
Rab geranylgeranyltransferase, alpha subunit, insert-domain
Rab3 GTPase-activating protein catalytic subunit
Rad52/22 double-strand break repair protein
Rad9, Rad1, Hus1-interacting nuclear orphan protein 1
RalBP1-associated Eps domain-containing protein 1
Ran-GTPase activating protein 1, C-terminal
RanBP-type and C3HC4-type zinc finger-containing protein 1
Ras guanine-nucleotide exchange factor, conserved site
Ras guanine-nucleotide exchange factors catalytic domain
Ras-like guanine nucleotide exchange factor, N-terminal
Recombination protein RecR, conserved site
Regulator of G protein signalling domain
Regulator of G protein signalling superfamily
Regulator of G protein signalling-like domain
Regulator of nucleoside diphosphate kinase
Regulator of ribonuclease activity A, gammaproteobacteria
Regulator of RNA polymerase sigma(70) subunit, Rsd/AlgQ
Reovirus non-structural protein sigma NS
Reovirus RNA-dependent RNA polymerase lambda 3
Repetitive proline-rich cell wall protein repeat
Replication factor A protein 3, Saccharomycetes
Replication factor C small subunit, archaeal
Replication factor-A protein 1, N-terminal
Replication fork protection component Swi3
Replication modulator SeqA, C-terminal DNA-binding domain
Replication protein 1a, necrotic phentoype-determining domain
Repressor of RNA polymerase III transcription  Maf1
Respiratory burst oxidase homologue protein B
Restriction endonuclease, FokI, C-terminal/endonuclease I, core
Restriction endonuclease, type I, HsdR, N-terminal
Restriction endonuclease, type II, AvaI/BsoBI
Restriction endonuclease, type II, BamHI/BglIII/BstY
Restriction endonuclease, type II, BsuBI/PstI, C-terminal
Restriction endonuclease, type II, Cfr10/BsoB1, core
Restriction endonuclease, type II, DpmII
Restriction endonuclease, type II, DpmII-like
Restriction endonuclease, type II, Eco47II
Restriction endonuclease, type II, EcoRI
Restriction endonuclease, type II, EcoRI, Proteobacteria
Restriction endonuclease, type II, EcoRI/MunI
Restriction endonuclease, type II, EcoRII, C-terminal
Restriction endonuclease, type II, FokI, C-terminal
Restriction endonuclease, type II, FokI, catalytic domain
Restriction endonuclease, type II, FokI, N-terminal
Restriction endonuclease, type II, HincII
Restriction endonuclease, type II, HindVP
Restriction endonuclease, type II, NgoPII
Restriction endonuclease, type II, TdeIII
Retinal cGMP phosphodiesterase, gamma subunit
Retinal rod rhodopsin-sensitive cGMP 3', 5'-cyclic phosphodiesterase, delta subunit
Retinoic acid receptor responder protein 1
Retinoic acid receptor responder protein 2
Retroviral Vif (Viral infectivity) protein
Ribonuclease HII, helix-loop-helix cap domain
Ribonuclease P, protein component 3, archaeal
Ribonuclease P/MRP protein, subunit Pop5
Ribonucleoside reductase subunit beta, NrdF
Ribonucleotide reductase class II vitamin B12-dependent, N-terminal domain
Ribonucleotide reductase large subunit, C-terminal
Ribonucleotide reductase large subunit, N-terminal
Ribonucleotide reductase small subunit, prokaryotic
Ribonucleotide reductase, class I , alpha subunit
Ribose-5-phosphate isomerase, type A, subgroup
Ribosomal pre-60S maturation factor, Alb1, Saccharomycetales
Ribosomal protein L1, 2-layer alpha/beta-sandwich
Ribosomal protein L10, eubacterial, conserved site
Ribosomal protein L10, N-terminal, archaeal
Ribosomal protein L22/L17, conserved site
Ribosomal protein L24/L26, conserved site
Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain
Ribosomal protein L5 eukaryotic/L18 archaeal
Ribosomal protein S1, RNA-binding domain
Ribosomal protein S12 methylthiotransferase RimO
Ribosomal protein S30Ae/sigma 54 modulation protein
Ribosomal Proteins L2, RNA binding domain
Ribosomal RNA adenine methylase transferase
Ribosomal RNA adenine methylase transferase, conserved site
Ribosomal RNA adenine methylase transferase, N-terminal
Ribosomal RNA aminoglycoside-resistance methyltransferase, Gram-negative bacteria
Ribosomal RNA large subunit methyltransferase E
Ribosomal RNA large subunit methyltransferase F
Ribosomal RNA large subunit methyltransferase F-like
Ribosomal RNA large subunit methyltransferase H
Ribosomal RNA large subunit methyltransferase J
Ribosomal RNA large subunit methyltransferase K/L
Ribosomal RNA large subunit methyltransferase M
Ribosomal RNA large subunit methyltransferase RlmN/Cfr
Ribosomal RNA large subunit methyltransferase, Cfr
Ribosomal RNA methyltransferase E, gammaproteobacteria
Ribosomal RNA methyltransferase FtsJ domain
Ribosomal RNA methyltransferase, Spb1, C-terminal
Ribosomal RNA small subunit methyltransferase E
Ribosomal RNA small subunit methyltransferase H
Ribosomal S6 modification enzyme RimK/Lysine biosynthesis enzyme LysX
Ribosome biogenesis GTPase RsgA, putative
Ribosome biogenesis methyltransferase NEP1, archaea
Ribosome maturation protein SBDS, C-terminal
Ribosome-binding ATPase YchF/Obg-like ATPase 1
Ribosome-binding factor A, conserved site
Ribulose bisphosphate carboxylase, large chain, active site
Ribulose bisphosphate carboxylase, large subunit
Ribulose bisphosphate carboxylase, large subunit, C-terminal
Ribulose bisphosphate carboxylase, large subunit, ferrodoxin-like N-terminal
Ribulose bisphosphate carboxylase, large subunit, N-terminal
Ribulose bisphosphate carboxylase, type III
RNA 2-O ribose methyltransferase, substrate binding
RNA 3'-terminal phosphate cyclase type 1
RNA 3'-terminal phosphate cyclase type 2
RNA 3'-terminal phosphate cyclase/enolpyruvate transferase, alpha/beta
RNA dependent RNA polymerase, hepatitis C virus
RNA helicase UPF1, UPF2-interacting domain
RNA helicase, ATP-dependent DEAH box, HrpA-type
RNA helicase, ATP-dependent, DEAD-box, conserved site
RNA methyltransferase, SpoU/TrmH type, C-terminal
RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4
RNA polymerase I associated factor, A49-like
RNA polymerase I, subunit A (TATA-binding protein-associated factor)
RNA polymerase II holoenzyme, cyclin-like subunit Ssn8, fungi
RNA polymerase II transcription factor SIII, subunit A
RNA polymerase II, heptapeptide repeat, eukaryotic
RNA polymerase recycling, bacterial, C-terminal
RNA polymerase sigma factor 54 interaction domain
RNA polymerase sigma factor 54, core-binding
RNA polymerase sigma factor 70, ECF, conserved site
RNA polymerase sigma factor 70, non-essential domain
RNA polymerase sigma factor 70, region 1.1
RNA polymerase sigma factor 70, region 4 type 2
RNA polymerase sigma factor RpoD, C-terminal
RNA polymerase sigma factor RpoH, proteobacteria
RNA polymerase sporulation-specific sigma factor, SigK/SigE
RNA polymerase-associated transcription specificity factor Rap94
RNA polymerase-binding transcription factor DksA
RNA polymerase, 30kDa subunit, chordopox-type
RNA polymerase, alpha subunit, C-terminal
RNA polymerase, beta subunit, conserved site
RNA polymerase, beta subunit, protrusion
RNA polymerase, PB2 subunit, orthomyxoviridae
RNA polymerase, phosphoprotein P, C-terminal XD, paramyxovirinae
RNA polymerase, subunit H/Rpb5 C-terminal
RNA polymerases, subunit N, zinc binding site
RNA recognition motif, spliceosomal PrP8
RNA synthesis protein NSP10, coronavirus
RNA-dependent RNA polymerase, PB1 subunit, Influenza-type
RNA-directed DNA polymerase (reverse transcriptase), msDNA
RNA-directed RNA polymerase L, filovirus
RNA-directed RNA polymerase,  C-terminal domain
RNA-directed RNA polymerase,  catalytic domain
RNA-directed RNA polymerase, apple chlorotic leaf spot virus
RNA-directed RNA polymerase, bacteriophage, catalytic domain
RNA-directed RNA polymerase, negative-strand RNA virus
RNA-induced silencing complex, nuclease component Tudor-SN
RND efflux pump, membrane fusion protein
RND efflux system, outer membrane lipoprotein, NodT
Rous sarcoma virus, Gp95, envelope protein
rRNA small subunit methyltransferase B, enterobacteriaceae
RTX secretion protein D, Gram-negative bacteria
RTX toxin-activating protein C, bacteria
S-adenosyl-L-methionine dependent methyltransferase, Mett10D, predicted
S-adenosyl-L-methionine-dependent methyltransferase, MraW, recognition domain
Saccharopine dehydrogenase / Homospermidine synthase
Salmonella virulence plasmid 65kDa B protein
SAM-dependent methyltransferase RsmI, conserved site
Sarcosine oxidase, beta subunit, heterotetrameric
Sarcosine oxidase, delta subunit, heterotetrameric
SARS coronavirus, polyprotein cleavage domain
Satellite tobacco necrosis virus coat protein
Scavenger mRNA decapping enzyme DcpS/DCS2
Scavenger mRNA decapping enzyme, N-terminal
Scorpion short chain toxin, chloride channel inhibitor
Scorpion short chain toxin, potassium channel inhibitor
Sec-independent periplasmic protein translocase TatC
Sec-independent protein translocase protein TatA/B/E
Sec-independent protein translocase protein TatA/E
Sec8 exocyst complex component specific domain
SecE subunit of protein translocation complex
Secretion-regulating guanine nucleotide exchange factor
Selenoprotein B, glycine/betaine/sarcosine/D-proline reductase family
Septum formation inhibitor MinC, C-terminal
Septum formation inhibitor MinC, N-terminal
Septum formation topological specificity factor MinE
Serine hydroxymethyltransferase, pyridoxal phosphate binding site
Serine proteases, V8 family, serine active site
Serine/threonine protein kinase, striated muscle-specific
Serine/threonine-protein kinase OSR1/WNK, CCT domain
Serine/threonine/dual specificity protein kinase, catalytic  domain
Shikimate dehydrogenase substrate binding, N-terminal
Short hematopoietin receptor, family 1, conserved site
Short hematopoietin receptor, family 2, conserved site
Sigma non-opioid intracellular receptor 1
Sigma-E factor negative regulatory protein RseA
Signal recognition particle receptor, alpha subunit, N-terminal
Signal recognition particle subunit SRP68
Signal recognition particle, SRP14 subunit
Signal recognition particle, SRP19 subunit
Signal recognition particle, SRP54 subunit
Signal recognition particle, SRP54 subunit, eukaryotic
Signal recognition particle, SRP54 subunit, GTPase domain
Signal recognition particle, SRP54 subunit, helical bundle
Signal recognition particle, SRP54 subunit, M-domain
Signal recognition particle, SRP72 subunit
Signal recognition particle, SRP72 subunit, RNA-binding
Signal recognition particle, SRP9 subunit
Signal recognition particle, SRP9/SRP14 subunit
Signal transducer and activation of transcription 1, TAZ2 binding domain, C-terminal
Signal transduction histidine kinase EnvZ-like, dimerisation/phosphoacceptor domain
Signal transduction histidine kinase RcsC, alpha-beta loop, C-terminal
Signal transduction histidine kinase-related protein, C-terminal
Signal transduction histidine kinase, 5TM receptor LytS, transmembrane region
Signal transduction histidine kinase, DegS
Signal transduction histidine kinase, homodimeric domain
Signal transduction histidine kinase, HWE region
Signal transduction histidine kinase, hybrid-type, aerobic respiration control ArcB
Signal transduction histidine kinase, hybrid-type, ethylene sensor
Signal transduction histidine kinase, internal region
Signal transduction histidine kinase, nitrate/nitrite-sensing
Signal transduction histidine kinase, NreB
Signal transduction histidine kinase, osmosensitive K+ channel sensor, N-terminal
Signal transduction histidine kinase, P2 response regulator-binding
Signal transduction histidine kinase, phosphate regulon sensor PhoR
Signal transduction histidine kinase, phosphotransfer (Hpt) domain
Signal transduction histidine kinase, sporulation regulator SpoOB
Signal transduction histidine kinase, subgroup 3, dimerisation and phosphoacceptor domain
Signal transduction histidine kinase, TMAO sensor TorS
Signal transduction histidine kinase/phosphatase, lantibiotic regulatory protein MprB
Signal transduction response regulator, C-terminal
Signal transduction response regulator, C-terminal effector
Signal transduction response regulator, chemotaxis, CheB
Signal transduction response regulator, chemotaxis, protein-glutamate methylesterase
Signal transduction response regulator, citrate/malate metabolism
Signal transduction response regulator, nitrogen regulation NR(I)
Signal transduction response regulator, phosphate regulon transcriptional regulatory protein PhoB
Signal transduction response regulator, propionate catabolism activator, N-terminal
Signal transduction response regulator, propionate catabolism, transcriptional regulator PrpR
Signal transduction response regulator, receiver domain
Signaling lymphocytic activation molecule, N-terminal
Signalling lymphocyte activation molecule family receptors
Single-stranded nucleic acid binding R3H
SinR repressor/SinI anti-repressor, dimerisation domain
Ski family transcriptional corepressor 1
SKI family transcriptional corepressor 2
SKI-interacting protein SKIP, SNW domain
SLC41 divalent cation transporters, integral membrane domain
SLP adapter and CSK-interacting membrane protein
Small acid-soluble spore protein, alpha/beta-type
Small acid-soluble spore protein, alpha/beta-type, conserved site
Small GTPase superfamily, mitochondrial Rho
Small multidrug resistance protein family
snRNA-activating protein complex subunit 5
Sodium leak channel non-selective protein
Sodium:neurotransmitter symporter, glycine, type 1
Sodium/potassium-transporting ATPase subunit beta, chordates
Sodium/potassium-transporting P-type ATPase, subfamily IIC
Soluble liver antigen/liver pancreas antigen
Solute carrier family 35 member SLC35F1/F2/F6
Sorbitol phosphotransferase enzyme II, C-terminal
Sorbitol phosphotransferase enzyme II, N-terminal
Spermidine/putrescine ABC transporter, ATP-binding subunit
Spindle and kinetochore-associated protein 2
Spindle assembly checkpoint component Mad1
Spo11/DNA topoisomerase VI, subunit A, N-terminal
Sporulation initiation factor Spo0A, C-terminal
Sporulation stage II protein D, amidase enhancer LytB
Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site
STAT transcription factor, DNA-binding, subdomain
STAT transcription factor, protein interaction
Steroidogenic acute regulatory protein, animal
Stimulated by retinoic acid gene 6 protein
Structural maintenance of chromosomes protein 1
Structural maintenance of chromosomes protein 1A
Structural maintenance of chromosomes protein 3
Structural maintenance of chromosomes protein 5
Structural maintenance of chromosomes protein 6
Structural maintenance of chromosomes protein, prokaryotic
Structural maintenance of chromosomes Smc2
Structure-specific endonuclease subunit Slx4, ascomycetes
Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, CybS
Succinate dehydrogenase assembly factor 2, mitochondrial
Succinate dehydrogenase, cytochrome b subunit, conserved site
Succinate dehydrogenase, cytochrome b556 subunit
Succinate dehydrogenase, hydrophobic membrane anchor
Succinate dehydrogenase/fumarate reductase iron-sulphur protein
Succinate dehydrogenase/fumarate reductase, flavoprotein subunit
Succinate dehydrogenase/Fumarate reductase, transmembrane subunit
Sulphate ABC transporter permease protein 2
Sulphate ABC transporter, permease protein CysT
Sulphate ABC transporter, permease protein CysW
Sulphate anion transporter, conserved site
Sulphate transport system permease protein 1
Sulphite reductase (NADPH) hemoprotein, beta subunit
Sulphite reductase [NADPH] flavoprotein, alpha chain
Sulphite reductase [NADPH] flavoprotein, alpha chain, Proteobacteria
Sulphite reductase, dissimilatory-type alpha subunit
Sulphite reductase, dissimilatory-type beta subunit
Sulphoxide reductase catalytic subunit YedY
Sun domain-containing protein 1, Caenorhabditis
Superoxide dismutase, copper/zinc binding domain
Superoxide dismutase, copper/zinc, binding site
SWI/SNF chromatin-remodeling complex, component hSNF5/Ini1
SWR1-complex protein 4/DNA methyltransferase 1-associated protein 1
Synaptonemal complex central element protein 1
Synaptonemal complex central element protein 3
Synthesis of cytochrome c oxidase, Sco1/Sco2
Taq polymerase, thermostable, exonuclease region
TATA box binding protein associated factor (TAF)
TATA box-binding protein-associated factor 1D
Taurine ABC transporter, periplasmic binding protein TauA
TcdA/TcdB toxin, catalytic glycosyltransferase domain
Tellurite resistance protein TehA/malic acid transport protein
Telomerase ribonucleoprotein complex - RNA-binding domain
Telomere repeat-binding factor, dimerisation domain
Telomere-binding protein, alpha subunit, Spirotrichea
Telomere-length maintenance and DNA damage repair
Telomeric single stranded DNA binding POT1/Cdc13
Tetracenomycin polyketide synthesis O-methyltransferase TcmP
Tetracycline resistance leader peptide, TetL
Tetracycline resistance protein, TetA/multidrug resistance protein MdtG
Tetracycline transcriptional regulator, TetR-like, C-terminal
Tetracycline transcriptional regulator, TetR, C-terminal
Tetrahydrodipicolinate N-succinyltransferase, transferase hexapeptide repeat family
Tetrahydromethanopterin S-methyltransferase subunit A, MtrA
Tetrahydromethanopterin S-methyltransferase, subunit H/Methyltransferase Mtx, subunit H
Tetrapyrrole biosynthesis, 5-aminolevulinic acid synthase
Tetrapyrrole biosynthesis, glutamyl-tRNA reductase, dimerisation domain
Tetrapyrrole biosynthesis, glutamyl-tRNA reductase, N-terminal
Tetrapyrrole biosynthesis, uroporphyrinogen III synthase
TGF-beta receptor/activin receptor, type I/II
Thiamin pyrophosphokinase, vitamin B1-binding domain
Thiamine ABC transporter periplasmic binding protein
Thiamine ABC transporter, ATP-binding protein ThiQ
Thiamine ABC transporter, permease protein
Thiamine pyrophosphate enzyme, C-terminal TPP-binding
Thiamine pyrophosphate enzyme, central domain
Thiamine pyrophosphate enzyme, N-terminal TPP-binding domain
Thiolase, acyl-enzyme intermediate active site
Threonyl-tRNA synthetase, editing domain, archaea
Threonyl/alanyl tRNA synthetase, class II-like, putative editing domain
Thyroid hormone receptor-associated protein 3
Thyroid transcription factor 1-associated protein 26
Ti-type conjugative transfer system, TraG-like
TIR domain-containing adapter molecule 1
Tol-Pal system beta propeller repeat-containing protein, TolB
Toll/interleukin-1 receptor homology (TIR) domain
Tomato bushy stunt virus (TBSV), p22, movement protein
TonB system transport protein ExbD type-1
TonB system transport protein ExbD type-2
TonB-dependent vitamin B12 transporter BtuB
Toxin SpoIISA, type II toxin-antitoxin system
Toxin-antitoxin system,  toxin component,  HigB, putative
Toxin-antitoxin system, antidote protein, HigA
Trans-Golgi network integral membrane protein TGN38
Transcription activator, mating-type protein ALPHA1
Transcription antitermination protein, NusG, mycoplasmataceae
Transcription cofactor vestigial-like protein 4
Transcription elongation factor GreA/GreB family
Transcription elongation factor S-II, central domain
Transcription elongation factor Spt5, archaeal
Transcription elongation factor, GreA/GreB, C-terminal
Transcription elongation factor, GreA/GreB, conserved site
Transcription elongation factor, GreA/GreB, N-terminal
Transcription elongation factor, TFIIS/CRSP70, N-terminal, sub-type
Transcription factor AP-2 alpha, N-terminal
Transcription factor E2F/dimerisation partner (TDP)
Transcription factor IIA, alpha subunit, N-terminal
Transcription factor IIA, alpha/beta subunit
Transcription Factor IIF, Rap30/Rap74, interaction
Transcription factor retrograde regulation protein 3
Transcription factor S/DNA-directed RNA polymerase subunit M
Transcription factor TFE/TFIIEalpha HTH domain
Transcription factor TFIIB, cyclin-like domain
Transcription factor TFIIE beta subunit, DNA-binding domain
Transcription factor TFIIE, alpha subunit
Transcription factor TFIIH subunit p52/Tfb2
Transcription factor, enhancer of yellow 2
Transcription factor, fork head, conserved site
Transcription factor, NFYB/HAP3, conserved site
Transcription factor, Skn-1-like, DNA-binding domain
Transcription factor, T-box, conserved site
Transcription initiation factor IIA, gamma subunit
Transcription initiation factor IIA, gamma subunit, C-terminal
Transcription initiation factor IIA, gamma subunit, N-terminal
Transcription initiation factor IID, 18kDa subunit
Transcription initiation factor IIF, alpha subunit
Transcription initiation factor IIF, beta subunit
Transcription initiation factor IIF, beta subunit, subgroup
Transcription initiation factor TFIID component TAF4
Transcription initiation factor TFIID subunit 1, animal
Transcription initiation factor TFIID, 23-30kDa subunit
Transcription initiation factor TFIIE, beta subunit
Transcription regulator HTH, APSES-type DNA-binding domain
Transcription regulator HTH, Cro/C1-type DNA-binding
Transcription regulator HTH, Crp-type, conserved site
Transcription regulator, HTH DeoR-type, conserved site
Transcriptional activator, Zfx / Zfy domain
Transcriptional coactivator Hfi1/Transcriptional adapter 1
Transcriptional enhancer factor TEF-3 (TEAD4)
Transcriptional enhancer factor TEF-5 (TEAD3)
Transcriptional regulatory protein PcoR, heavy metal response
Transcriptional repressor of class III stress genes
Transducer of regulated CREB activity, N-terminal
Transforming growth factor beta receptor 2 ectodomain
Transforming growth factor beta, conserved site
Transforming growth factor-beta receptor, type II
Transient receptor potential cation channel subfamily M member 1
Transient receptor potential cation channel subfamily M member 2
Transient receptor potential cation channel subfamily M member 3
Transient receptor potential cation channel subfamily M member 4
Transient receptor potential cation channel subfamily M member 5
Transient receptor potential cation channel subfamily M member 6
Transient receptor potential cation channel subfamily M member 7
Transient receptor potential cation channel subfamily M member 8
Transient receptor potential cation channel subfamily V member 5
Transient receptor potential cation channel subfamily V member 5/6
Transient receptor potential channel, canonical
Transient receptor potential channel, canonical  3
Transient receptor potential channel, canonical 1
Transient receptor potential channel, canonical 2
Transient receptor potential channel, canonical 4
Transient receptor potential channel, canonical 5
Transient receptor potential channel, canonical 6
Transient receptor potential channel, canonical 7
Transient receptor potential channel, vanilloid 1
Transient receptor potential channel, vanilloid 1-4
Transient receptor potential channel, vanilloid 2
Transient receptor potential channel, vanilloid 3
Transient receptor potential channel, vanilloid 4
Transient receptor potential channel, vanilloid 6
Transketolase, C-terminal/Pyruvate-ferredoxin oxidoreductase, domain II
Translation elongation factor EF1A, eukaryotic/archaeal
Translation elongation factor EF1B, beta chain, archaeal
Translation elongation factor EF1B, beta/delta chains, conserved site
Translation elongation factor EF1B, beta/delta subunit, guanine nucleotide exchange
Translation elongation factor EF1B, gamma chain, conserved
Translation elongation factor EFG/EF2, archaeal
Translation elongation factor EFG/EF2, domain IV
Translation elongation factor EFTs/EF1B, dimerisation
Translation elongation factor EFTu/EF1A, bacterial/organelle
Translation elongation factor EFTu/EF1A, C-terminal
Translation elongation factor EFTu/EF1A, domain 2
Translation elongation factor P/YeiP, central
Translation elongation factor SelB, winged helix, type 2
Translation elongation factor SelB, winged helix, type 3
Translation elongation factor Ts, conserved site
Translation elongation factor, IF5A C-terminal
Translation elongation factor, IF5A, hypusine site
Translation factor ATP22, ATPase-subunit 6-specific, mitochondria
Translation initiation factor 1A (eIF-1A)
Translation initiation factor 1A (eIF-1A), conserved site
Translation initiation factor 2, alpha subunit
Translation initiation factor 2, beta subunit
Translation initiation factor 3 complex subunit L
Translation initiation factor 3, C-terminal
Translation initiation factor 3, conserved site
Translation initiation factor 3, N-terminal
Translation initiation factor 3, subunit 12, N-terminal, eukaryotic
Translation initiation factor aIF-2, archaea
Translation initiation factor aIF-2, bacterial-like
Translation initiation factor IF2/IF5, N-terminal
Translation initiation factor IF2/IF5, zinc-binding
Translation release factor  pelota, archaea
Translocated intimin receptor, central domain
Translocon-associated protein (TRAP), alpha subunit
Tripartite terminase subunit UL28/processing and transport protein
Triple repetitive-sequence of QXXK/R protein
tRNA (1-methyladenosine) methyltransferase catalytic subunit Gcd14
tRNA (adenine-N(1)-)-methyltransferase, non-catalytic TRM6 subunit
tRNA (guanine-N-7) methyltransferase catalytic subunit Trm8, eukaryote
tRNA (guanine-N(7)-)-methyltransferase non-catalytic subunit, Trm82
tRNA (guanine(26)-N(2))-dimethyltransferase, archaeal and bacterial
tRNA 5-methylaminomethyl-2-thiouridine biosynthesis bifunctional protein MnmC
tRNA intron endonuclease, catalytic domain-like
tRNA pseudouridine synthase II, TruB, subfamily 1, C-terminal
tRNA pseudouridine synthase II, TruB, subfamily 2, C-terminal
tRNA threonylcarbamoyl adenosine modification protein TsaE
tRNA threonylcarbamoyl adenosine modification protein YeaZ
tRNA U-34 5-methylaminomethyl-2-thiouridine biosynthesis protein MnmC, C-terminal
tRNA-splicing endonuclease, archaeal long subfamily
tRNA-splicing ligase RtcB homologue, eukaryotic
Trypanosoma cruzi ribosomal protein P2-like
Trypanosome variant surface glycoprotein, A-type, N-terminal domain
Tryptophan synthase beta chain/beta chain-like
Tryptophan synthase, alpha chain, active site
Tryptophan synthase, beta chain, conserved site
Tuberoinfundibular peptide of 39 residues
Tumor necrosis factor ligand superfamily member 15
Tumor necrosis factor ligand superfamily member 6
Tumor protein p53-inducible nuclear protein 1
Tumor protein p53-inducible nuclear protein 2
Two partner secretion pathway transporter
Two pore domain potassium channel, TASK family
Two pore domain potassium channel, TRAAK
Two pore domain potassium channel, TWIK family
Two pore domain potassium channel, TWIK-1
Two pore domain potassium channel, TWIK-2
Type 2 lantibiotic, leader peptide domain
Type 2 tetrahydrodipicolinate N-succinyltransferase family
Type I phosphodiesterase/nucleotide pyrophosphatase/phosphate transferase
Type I secretion membrane fusion protein, HlyD
Type I secretion outer membrane protein, TolC
Type I toxin-antitoxin system, SymE toxin
Type II heat-labile enterotoxin, B subunit
Type II secretion system GspD, conserved site
Type II secretion system protein I domain
Type II secretion system protein N, conserved site
Type IIA DNA topoisomerase subunit A, alpha-helical domain
Type III effector protein IpaD/SipD/SspD
Type III exporter system, flagellar biosynthetic protein FlhB
Type III exporter system, secretion apparatus protein BsaZ
Type III secreted effector HopW1-1/HolPsyAE
Type III secreted modular tyrosine phosphatase, SptP/YopH
Type III secretion apparatus protein OrgA/MxiK
Type III secretion regulator, YopN/LcrE/InvE/MxiC
Type III secretion system apparatus protein YscQ/HrcQ/SpaO
Type III secretion system chaperone SycN
Type III secretion system flagellar brake protein YcgR
Type III secretion system inner membrane P protein
Type III secretion system inner membrane R protein
Type III secretion system lipoprotein HrcJ/YscJ
Type III secretion system needle length determinant, C-terminal domain
Type III secretion system outer membrane pore YscC/HrcC
Type III secretion system outer membrane, SpaO
Type III secretion system substrate exporter
Type III secretion system,  secretion protein E
Type III secretion system, invasin protein B
Type III secretion system, low calcium response, chaperone LcrH/SycD
Type III secretion system, needle protein
Type III secretion system, pilus formation, HrpA
Type III secretion system, PrgH/EprH-like
Type III secretion system, secreted protein EspD
Type III secretion system, secretion protein  K
Type IV conjugative transfer system, coupling protein TraD
Type IV conjugative transfer system, protein TraL
Type IV secretion system protein VirB8/PtlE
Tyrosine protein kinase, EGF/ERB/XmrK receptor
Tyrosine-protein kinase SYK/ZAP-70, inter-SH2 domain
Tyrosine-protein kinase, neurotrophic receptor, type 1
Tyrosine-protein kinase, neurotrophic receptor, type 2
Tyrosine-protein kinase, neurotrophic receptor, type 3
Tyrosine-protein kinase, receptor class II, conserved site
Tyrosine-protein kinase, receptor class III, conserved site
Tyrosine-protein kinase, receptor class V, conserved site
Tyrosine-protein kinase, receptor Tie-2, Ig-like domain 1, N-terminal
Tyrosine-protein phosphatase non-receptor type 23
Tyrosine-tRNA ligase, bacterial-type, type 1
Tyrosine-tRNA ligase, bacterial-type, type 2
U1 small nuclear ribonucleoprotein A/U2 small nuclear ribonucleoprotein B''
U2 snRNP auxilliary factor, large subunit, splicing factor
U3 small nucleolar ribonucleoprotein complex, subunit Mpp10p
U3 small nucleolar RNA-associated protein 15, C-terminal
U4/U6 small nuclear ribonucleoprotein Prp3
U4/U6 small nuclear ribonucleoprotein Prp31
U6 snRNA-associated Sm-like protein LSm2
Ubiquinol cytochrome reductase, transmembrane domain
Ubiquinol-cytochrome c reductase 8kDa, N-terminal
Ubiquinol-cytochrome c reductase, iron-sulphur subunit
Ubiquinol-cytochrome-c reductase, cytochrome c subunit
Ubiquinone biosynthesis hydroxylase, UbiH/UbiF/VisC/COQ6, conserved site
Ubiquinone biosynthesis protein Coq4, eukaryotes
Ubiquinone biosynthesis protein Coq7, bacterial
Ubiquitin activating enzyme, alpha domain
Ubiquitin fusion degradation protein UFD1
Ubiquitin-associated domain/translation elongation factor EF-Ts, N-terminal
Ubiquitinol-cytochrome C reductase, Fe-S subunit, TAT signal
UDP-3-O-[3-hydroxymyristoyl] glucosamine N-acyltransferase, non-repeat region
UDP-GlcNAc diphosphorylase/GlcNAc-1-P N-acetyltransferase, GlmU, archaeal-type
UDP-glucose 4-epimerase CapD, C-terminal domain
Uncharacterised conserved protein UCP010045, transmembrane eukaryotic
Uncharacterised conserved protein UCP023322, transmembrane eukaryotic
Uncharacterised conserved protein UCP036436, nucleotide-sugar transporter-related
Uncharacterised protein family UPF0114, gammaproteobacteria
Uncharacterised protein family UPF0136, Transmembrane
Uncharacterised protein family UPF0324, bacteria
Uncharacterised protein family UPF0324, prokaryote
Uncharacterised protein family UPF0387, membrane
Uncharacterised protein family, ATP binding
Uncharacterised protein family, inner membrane YaiY
Urease accessory protein UreE, C-terminal domain
Uso1/p115-like vesicle tethering protein, C-terminal
UV radiation resistance protein/autophagy-related protein 14
V-ATPase proteolipid subunit C-like domain
V-ATPase proteolipid subunit C, eukaryotic
V-D-J recombination activating protein 2
V-type  ATPase, V0 complex, 116kDa subunit family
V-type ATP synthase catalytic alpha chain
Vacuolar protein sorting protein 36, GLUE domain
Vacuolar protein sorting-associated protein 16
Vacuolar protein sorting-associated protein 17, Vps17
Vacuolar protein sorting-associated protein 29, Vps29
Vacuolar protein sorting-associated protein 33
Vacuolar protein sorting-associated protein 35, Vps35
Vacuolar protein sorting-associated protein 5, Vps5
Vacuole morphology and inheritance protein 14
Vascular endothelial growth factor receptor 1 (VEGFR1)
Vascular endothelial growth factor receptor 2 (VEGFR2)
Vascular endothelial growth factor receptor 3 (VEGFR3)
Vascular endothelial growth factor, heparin-binding domain
Vertebrate heat shock transcription factor, C-terminal domain
Vertebrate interleukin-3 regulated transcription factor
Vesicle tethering protein Uso1/P115-like , head domain
Vesicular, overexpressed in cancer, prosurvival protein 1
Vibrio cholerae neuraminidase, lectin-like domain
Virus scaffolding protein, C-terminal domain
Vitamin B12-dependent methionine synthase, activation domain
Vitellinogen, open beta-sheet, subdomain 1
Vitellinogen, open beta-sheet, subdomain 2
Voltage gated sodium channel, alpha subunit
Voltage gated sodium channel, alpha-1 subunit
Voltage gated sodium channel, alpha-10 subunit
Voltage gated sodium channel, alpha-11 subunit
Voltage gated sodium channel, alpha-3 subunit
Voltage gated sodium channel, alpha-4 subunit
Voltage gated sodium channel, alpha-4 subunit, mammalian
Voltage gated sodium channel, alpha-5 subunit
Voltage gated sodium channel, alpha-7 subunit
Voltage gated sodium channel, alpha-8 subunit
Voltage gated sodium channel, alpha-9 subunit
Voltage-dependent calcium channel gamma-like subunit
Voltage-dependent calcium channel, alpha-1 subunit
Voltage-dependent calcium channel, gamma subunit
Voltage-dependent calcium channel, gamma-1 subunit
Voltage-dependent calcium channel, gamma-2 subunit
Voltage-dependent calcium channel, gamma-4 subunit
Voltage-dependent calcium channel, gamma-5 subunit
Voltage-dependent calcium channel, gamma-6 subunit
Voltage-dependent calcium channel, gamma-7 subunit
Voltage-dependent calcium channel, gamma-8 subunit
Voltage-dependent calcium channel, L-type, alpha-1 subunit
Voltage-dependent calcium channel, L-type, alpha-1C subunit
Voltage-dependent calcium channel, L-type, alpha-1D subunit
Voltage-dependent calcium channel, L-type, alpha-1S subunit
Voltage-dependent calcium channel, L-type, beta subunit
Voltage-dependent calcium channel, L-type, beta-1 subunit
Voltage-dependent calcium channel, L-type, beta-2 subunit
Voltage-dependent calcium channel, L-type, beta-3 subunit
Voltage-dependent calcium channel, N-type, alpha-1 subunit
Voltage-dependent calcium channel, P/Q-type, alpha-1 subunit
Voltage-dependent calcium channel, R-type, alpha-1 subunit
Voltage-dependent calcium channel, T-type, alpha-1 subunit
VP6 blue-tongue virus inner capsid protein
Wall-associated receptor kinase galacturonan-binding domain
WAP four-disulfide core domain protein 12
WAS/WASL-interacting protein family member 1
Water stress and hypersensitive response domain
Whey acidic protein-type  4-disulphide core
Winged helix-turn-helix transcription repressor, HrcA DNA-binding domain
Wiskott-Aldrich syndrome protein homologue, fungal
X-Prolyl dipeptidyl aminopeptidase PepX, N-terminal domain
Xanthine dehydrogenase, molybdopterin binding subunit
Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, C-terminal
Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, conserved site
Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, thiamine diphosphate binding site
Yeast cell wall synthesis Kre9/Knh1, C-terminal
Zinc finger C2H2-type/integrase DNA-binding domain
Zinc finger FYVE domain-containing protein 26
Zinc finger, DNA glycosylase/AP lyase-type
Zinc finger, DNA glycosylase/AP lyase/isoleucyl tRNA synthetase
Zinc finger, DNA-directed DNA polymerase, family B, alpha
Zinc finger, nuclear hormone receptor-type
Zinc finger, V(D)J recombination-activating protein 1
Zinc-finger, NAD-dependent DNA ligase C4-type