Blood coagulation cascade activating toxin
Blood coagulation cascade inhibiting toxin
Caveolin-mediated endocytosis of virus by host
Clathrin- and caveolin-independent endocytosis of virus by host
Clathrin-mediated endocytosis of virus by host
Fusion of virus membrane with host cell membrane
Fusion of virus membrane with host endosomal membrane
Fusion of virus membrane with host membrane
G-protein coupled receptor impairing toxin
G1/S host cell cycle checkpoint dysregulation by virus
Inhibition of host adaptive immune response by virus
Inhibition of host apoptosis by viral BCL2-like protein
Inhibition of host complement factors by virus
Inhibition of host innate immune response by virus
Inhibition of host interferon signaling pathway by virus
Inhibition of host MHC class I molecule presentation by virus
Inhibition of host MHC class II molecule presentation by virus
Inhibition of host mitotic exit by virus
Inhibition of host mRNA nuclear export by virus
Inhibition of host pre-mRNA processing by virus
Inhibition of host RNA polymerase II by virus
Inhibition of host transcription initiation by virus
Modulation of host cell apoptosis by virus
Modulation of host E3 ubiquitin ligases by virus
Modulation of host ubiquitin pathway by viral deubiquitinase
Modulation of host ubiquitin pathway by viral E3 ligase
Modulation of host ubiquitin pathway by virus
Pore-mediated penetration of viral genome into host cell
Viral genome ejection through host cell envelope
Viral penetration into host cytoplasm via pilus retraction
Viral penetration via permeabilization of host membrane
Voltage-gated calcium channel impairing toxin
Voltage-gated potassium channel impairing toxin
Voltage-gated sodium channel impairing toxin

14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain
2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, catalytic domain
2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, substrate-binding domain
2'-5'-oligoadenylate synthetase 1, OAS1, N-terminal domain
2'-5'-oligoadenylate synthetase 1, OAS1, second domain
2',3'-cyclic nucleotide 3'-phosphodiesterase, catalytic domain
2Fe-2S ferredoxin domains from multidomain proteins
3-methyladenine DNA glycosylase (AAG, ANPG, MPG)
3-Methyladenine DNA glycosylase III (MagIII)
3,4-dihydroxy-2-butanone 4-phosphate synthase, DHBP synthase, RibB
39 kda initiator binding protein, IBP39, C-terminal domains
39 kda initiator binding protein, IBP39, N-terminal domain
5-aminolaevulinate dehydratase, ALAD (porphobilinogen synthase)
5' to 3' exonuclease, C-terminal subdomain
5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain
5'-nucleotidase (syn. UDP-sugar hydrolase), N-terminal domain
A DNA-binding domain in eukaryotic transcription factors
a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
ABC transporter involved in vitamin B12 uptake, BtuC
Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)
Acetylcholine receptor fragment (residues alpha 67-76)
Ada DNA repair protein, N-terminal domain (N-Ada 10)
Adapter protein APS, dimerisation domain
Adenylation domain of NAD+-dependent DNA ligase
Adenylyl and guanylyl cyclase catalytic domain
Adenylylcyclase toxin (the edema factor)
Aerobic respiration control sensor protein, ArcB
AICAR transformylase domain of bifunctional purine biosynthesis enzyme ATIC
Aldehyde ferredoxin oxidoreductase, C-terminal domains
Aldehyde ferredoxin oxidoreductase, N-terminal domain
Allosteric threonine deaminase C-terminal domain
Alpha subunit of glutamate synthase, C-terminal domain
alpha-2a adrenergic receptor pepride t3-i2
alpha-ketoacid dehydrogenase kinase, C-terminal domain
alpha-ketoacid dehydrogenase kinase, N-terminal domain
alpha-subunit of urease, catalytic domain
Amyloid beta a4 protein copper binding domain (domain 2)
Anion transport protein, cytoplasmic domain
Anthrax toxin lethal factor, N- and C-terminal domains
anthrax toxin protective antigen-receptor complex
Antibiotic binding domain of TipA-like multidrug resistance regulators
Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases
Anticodon-binding domain of Class II aaRS
Antigen MPT63/MPB63 (immunoprotective extracellular protein)
Archaeal tRNA CCA-adding enzyme catalytic domain
Archaeal tRNA CCA-adding enzyme substrate-binding domain
Archaeosine tRNA-guanine transglycosylase, C2 domain
Arginine repressor (ArgR), N-terminal DNA-binding domain
Arginyl-tRNA synthetase (ArgRS), N-terminal 'additional' domain
Aromatic aminoacid monoxygenases, catalytic and oligomerization domains
Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain
Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain
Assembly domain of cartilage oligomeric matrix protein
Association domain of calcium/calmodulin-dependent protein kinase type II alpha subunit, CAMK2A
ATP phosphoribosyltransferase (ATP-PRTase, HisG), regulatory C-terminal domain
ATP synthase beta chain, mitochondrial prepeptide
ATP-binding domain of peptide synthetases
ATP-dependent DNA ligase catalytic domain
ATP-dependent DNA ligase DNA-binding domain
ATP-dependent protease Lon (La), catalytic domain
ATPase domain of dehydratase reactivase alpha subunit
B12-dependent (class II) ribonucleotide reductase
Bacterial aa3 type cytochrome c oxidase subunit IV
Bacterial ba3 type cytochrome c oxidase subunit IIa
Bacterial fluorinating enzyme, C-terminal domain
Bacterial fluorinating enzyme, N-terminal domain
Bacterial photosystem II reaction centre, L and M subunits
Bacteriophage HK97 procapsid (prohead II)
Bacteriophage T4 3D cryo-EM reconstruction
Bcl-2 inhibitors of programmed cell death
BCR-homology GTPase activation domain (BH-domain)
beta-Catenine bound non-globular protein regions
Beta-galactosidase LacA, domains 4 and 5
Bhpbr3, the Baff-binding loop of br3 embedded in a beta-hairpin peptide
Bifunctional DNA primase/polymerase N-terminal domain
Biotin dependent carboxylase carboxyltransferase domain
Branched-chain alpha-keto acid dehydrogenase beta-subunit, C-terminal-domain
Branched-chain alpha-keto acid dehydrogenase PP module
Branched-chain alpha-keto acid dehydrogenase Pyr module
Bromelain inhibitor VI (cysteine protease inhibitor)
C-terminal (heme d1) domain of cytochrome cd1-nitrite reductase
C-terminal autoproteolytic domain of nucleoporin nup98
C-terminal domain of adenylylcyclase associated protein
C-terminal domain of adrenodoxin reductase-like
C-terminal domain of alpha and beta subunits of F1 ATP synthase
C-terminal domain of B transposition protein
C-terminal domain of class I lysyl-tRNA synthetase
C-terminal domain of DFF45/ICAD (DFF-C domain)
C-terminal domain of glutamyl-tRNA synthetase (GluRS)
C-terminal domain of ribosomal protein L2
C-terminal domain of RNA polymerase alpha subunit
C-terminal domain of the electron transfer flavoprotein alpha subunit
C-terminal domain of the rap74 subunit of TFIIF
C-terminal fragment of elongation factor SelB
C-terminal, gelsolin-like domain of Sec23/24
C-terminal, Zn-finger domain of MutM-like DNA repair proteins
C1 set domains (antibody constant domain-like)
Calpain large subunit, catalytic domain (domain II)
Calpain large subunit, middle domain (domain III)
cAMP and cGMP phosphodiesterase (PDE) fragments
CAPPD, an extracellular domain of amyloid beta A4 protein
Capsid protein major homology region peptide analog
Carbamoyl phosphate synthetase, large subunit allosteric, C-terminal domain
Carbamoyl phosphate synthetase, large subunit connection domain
Carbamoyl phosphate synthetase, small subunit N-terminal domain
Caspase-activated DNase, CAD (DffB, DFF40)
Catalytic subunit of bi-partite nucleotidyltransferase
Catalytic, N-terminal domain of histone methyltransferase Dot1l
Cation efflux protein cytoplasmic domain-like
Cation efflux protein transmembrane domain-like
Cbp40 (plasmodial specific CaII-binding protein LAV1-2)
Cell cycle control phosphatase, catalytic domain
Cell division protein MinE topological specificity domain
Cell-division inhibitor MinC, C-terminal domain
Cell-division inhibitor MinC, N-terminal domain
Cell-division protein ZipA, C-terminal domain
Cellulosomal scaffoldin protein CipC, module x2.1
Chemotaxis receptor methyltransferase CheR, C-terminal domain
Chemotaxis receptor methyltransferase CheR, N-terminal domain
Chondroitin ABC lyase I, N-terminal domain
Chromosomal replication initiation factor DnaA C-terminal domain IV
CI-2 family of serine protease inhibitors
Circadian clock protein KaiA, C-terminal domain
Class I alpha-1;2-mannosidase, catalytic domain
Class I aminoacyl-tRNA synthetases (RS), catalytic domain
Class I glutamine amidotransferases (GAT)
Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain
Class II MHC-associated invariant chain ectoplasmic trimerization domain
Class II viral fusion proteins C-terminal domain
Class III anaerobic ribonucleotide reductase NRDD subunit
Clathrin adaptor appendage, alpha and beta chain-specific domain
Clathrin heavy chain proximal leg segment
Clostridium neurotoxins, the second last domain
CO dehydrogenase flavoprotein C-terminal domain-like
CO dehydrogenase flavoprotein N-terminal domain-like
CO-sensing protein CooA, N-terminal domain
Coagulation factor VIII, membrane-binding peptide
Coat protein-binding domain of bacteriophage P22 scaffolding protein
Coiled-coil dimerization domain from cortexillin I
Coiled-coil domain of nucleotide exchange factor GrpE
Composite domain of glycosyl hydrolase families 5, 30, 39 and 51
Computational models partly based on experimental data
Conserved core of transcriptional regulatory protein vp16
Conserved domain common to transcription factors TFIIS, elongin A, CRSP70
Copper resistance protein C (CopC, PcoC)
Cross-reactive peptides from 60S acidic ribosomal protein p2
Cysteine-rich DNA binding domain, (DM domain)
Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Cytochrome c oxidase subunit II-like, transmembrane region
Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor
Cytochrome domain of cellobiose dehydrogenase
Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor
Cytochrome p450 reductase N-terminal domain-like
Cytoplasmic domain of inward rectifier potassium channel
D-aminopeptidase, middle and C-terminal domains
D-lysine 5,6-aminomutase alpha subunit, KamD
D-lysine 5,6-aminomutase beta subunit KamE, N-terminal domain
D-ribose-5-phosphate isomerase (RpiA), catalytic domain
D-ribose-5-phosphate isomerase (RpiA), lid domain
Designed EF-hand type cation-binding loop
Designed single chain three-helix bundle
Dihydroorotate dehydrogenase B, PyrK subunit
Dimeric isocitrate & isopropylmalate dehydrogenases
Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit
Dipeptidyl peptidase I (cathepsin C), exclusion domain
Discoidin domain (FA58C, coagulation factor 5/8 C-terminal domain)
Divalent ion tolerance proteins CutA (CutA1)
DNA helicase RuvA subunit, C-terminal domain
DNA helicase RuvA subunit, middle domain
DNA helicase RuvA subunit, N-terminal domain
DNA ligase/mRNA capping enzyme postcatalytic domain
DNA polymerase beta, N-terminal domain-like
DNA polymerase III clamp loader subunits, C-terminal domain
DNA repair factor XPA DNA- and RPA-binding domain, C-terminal subdomain
DNA repair factor XPA DNA- and RPA-binding domain, N-terminal subdomain
DNA repair glycosylase, 2 C-terminal domains
DNA repair glycosylase, N-terminal domain
DNA repair protein Rad51, N-terminal domain
DNA replication initiator (cdc21/cdc54) N-terminal domain
DNA topoisomerase II binding protein 1, TopBP1
DNA-binding C-terminal domain of the transcription factor MotA
DNA-binding domain (fragment?) of the TraM protein
DNA-binding domain of intron-encoded endonucleases
DNA-binding domain of Mlu1-box binding protein MBP1
DNA-binding domain of retroviral integrase
DNA-binding N-terminal domain of transcription activators
DnaK suppressor protein DksA, alpha-hairpin domain
Docking domain A of the erythromycin polyketide synthase (DEBS)
Docking domain B of the erythromycin polyketide synthase (DEBS)
Domain from hypothetical 2610208m17rik protein
Domain of early E2A DNA-binding protein, ADDBP
Domain of the SRP/SRP receptor G-proteins
DsrC, the gamma subunit of dissimilatory sulfite reductase
DUSP, domain in ubiquitin-specific proteases
E-set domains of sugar-utilizing enzymes
Early switch protein XOL-1, N-terminal domain
Elongation factor Ts (EF-Ts), dimerisation domain
Enabled/VASP homology 1 domain (EVH1 domain)
Endonuclease I (Holliday junction resolvase)
Enzyme I of the PEP:sugar phosphotransferase system HPr-binding (sub)domain
Enzyme IIa from lactose specific PTS, IIa-lac
Epsilon subunit of F1F0-ATP synthase C-terminal domain
Epsilon subunit of F1F0-ATP synthase N-terminal domain
Epsilon subunit of mitochondrial F1F0-ATP synthase
Esterase domain of haemagglutinin-esterase-fusion glycoprotein HEF1
Eukaryotic DNA topoisomerase I, catalytic core
Eukaryotic DNA topoisomerase I, dispensable insert domain
Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
Eukaryotic glutathione synthetase ATP-binding domain
Eukaryotic glutathione synthetase, substrate-binding domain
Eukaryotic initiation factor 4f subunit eIF4g, eIF4e-binding domain
Eukaryotic translation initiation factor 3 subunit 12, eIF3k, C-terminal domain
Eukaryotic translation initiation factor 3 subunit 12, eIF3k, N-terminal domain
Eukaryotic type KH-domain (KH-domain type I)
Exodeoxyribonuclease V beta chain (RecB), C-terminal domain
Exodeoxyribonuclease V beta chain (RecC), C-terminal domain
Extracellular domain of cell surface receptors
Extracellular hemoglobin linker subunit, receptor domain
Ezrin-radixin-moesin binding phosphoprotein 50 (ebp50) fragments
F1 ATPase inhibitor, IF1, C-terminal domain
F1F0 ATP synthase subunit B, membrane domain
FAD/NAD-linked reductases, dimerisation (C-terminal) domain
FAD/NAD-linked reductases, N-terminal and central domains
Family 1 bi-partite nucleotidyltransferase subunit
Family 17 carbohydrate binding module, CBM17
Family 27 carbohydrate binding module, CBM27
Family 28 carbohydrate binding module, CBM28
Family 29 carbohydrate binding module, CBM29
Family 30 carbohydrate binding module, CBM30 (PKD repeat)
Family 36 carbohydrate binding module, CBM36
Family 6 carbohydrate binding module, CBM6
Family 9 carbohydrate-binding module, CBD9
Fe,Mn superoxide dismutase (SOD), C-terminal domain
Fe,Mn superoxide dismutase (SOD), N-terminal domain
Ferredoxin domains from multidomain proteins
Ferredoxin thioredoxin reductase (FTR), alpha (variable) chain
Ferredoxin thioredoxin reductase (FTR), catalytic beta chain
Fibrinogen coiled-coil and central regions
Filamentous hemagglutinin FhaB, secretion domain
FKBP12-rapamycin-binding domain of FKBP-rapamycin-associated protein (FRAP)
Follistatin (FS) module N-terminal domain, FS-N
Formate dehydrogenase N, cytochrome (gamma) subunit
Formate dehydrogenase/DMSO reductase, C-terminal domain
Formate dehydrogenase/DMSO reductase, domains 1-3
Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)
Fumarate reductase respiratory complex cytochrome b subunit, FrdC
Fumarate reductase/Succinate dehydogenase iron-sulfur protein, C-terminal domain
Fumarylacetoacetate hydrolase, FAH, N-terminal domain
Functional domain of the splicing factor Prp18
FYVE, a phosphatidylinositol-3-phosphate binding domain
General secretion pathway protein M, EpsM
GerE-like (LuxR/UhpA family of transcriptional regulators)
GlcNAc-alpha-1,4-Gal-releasing endo-beta-galactosidase, GngC, C-terminal domain
Gln-tRNA synthetase (GlnRS), C-terminal (anticodon-binding) domain
Glucose-inhibited division protein B (GidB)
Glutamate-cysteine ligase family 2 (GCS2)
Glutamine synthase adenylyltransferase GlnE, domain 2
Glutamyl tRNA-reductase catalytic, N-terminal domain
Glutathione S-transferase (GST), C-terminal domain
Glutathione S-transferase (GST), N-terminal domain
Glycine cleavage system transcriptional repressor
Glycosyl hydrolase family 7 catalytic core
Glycosyl hydrolases family 32 C-terminal domain
Glycosyl hydrolases family 32 N-terminal domain
Glycosyl hydrolases family 35 catalytic domain
Glycosyl hydrolases family 6, cellulases
Glycosyltransferase family 36 C-terminal domain
Glycosyltransferase family 36 N-terminal domain
GMP synthetase C-terminal dimerisation domain
GreA transcript cleavage factor, C-terminal domain
GreA transcript cleavage protein, N-terminal domain
Group II chaperonin (CCT, TRIC), apical domain
Group II chaperonin (CCT, TRIC), ATPase domain
Group II chaperonin (CCT, TRIC), intermediate domain
GTP cyclohydrolase I feedback regulatory protein, GFRP
Guanosine diphospho-D-mannose pyrophosphorylase/mannose-6-phosphate isomerase linker domain
Gurmarin, a sweet taste-suppressing polypeptide
Gyrase inhibitory protein GyrI (SbmC, YeeB)
HAND domain of the nucleosome remodeling ATPase ISWI
Head and neck region of the ectodomain of NDV fusion glycoprotein
Head decoration protein D (gpD, major capsid protein D)
Head domain of nucleotide exchange factor GrpE
Head-binding domain of phage P22 tailspike protein
Heat shock protein 70kD (HSP70), C-terminal subdomain
Heat shock protein 70kD (HSP70), peptide-binding domain
Heat shock protein 90, HSP90, N-terminal domain
Heat-inducible transcription repressor HrcA, N-terminal domain
Hedgehog (development protein), N-terminal signaling domain
Hedgehog C-terminal (Hog) autoprocessing domain
Helical scaffold and wing domains of SecA
Hemagglutinin domain of haemagglutinin-esterase-fusion glycoprotein HEF1
Hemolysin expression modulating protein HHA
Hemolytic lectin CEL-III, C-terminal domain
Heparin binding site of non collagenous domain I (nc1) of collagen facit xiv
Heparin-binding domain from vascular endothelial growth factor
Hepatitis C virus N-terminal capsid protein fragment 2-45
Herpes virus serine proteinase, assemblin
Heterotrimerisation domain of extracellular hemoglobin linker subunits
Histone H3 K4-specific methyltransferase SET7/9 N-terminal domain
HIT (HINT, histidine triad) family of protein kinase-interacting proteins
HMG-box transcription factor 1 fragments
Holo-(acyl carrier protein) synthase ACPS
Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Homodimeric domain of signal transducing histidine kinase
HPr kinase/phoshatase HprK N-terminal domain
HSC20 (HSCB), C-terminal oligomerisation domain
Human glutathione reductase (HGR) inhibitor
Hut operon positive regulatory protein HutP
Hyaluronate lyase-like catalytic, N-terminal domain
Hybrid cluster protein (prismane protein)
Hydroxyisobutyrate and 6-phosphogluconate dehydrogenase domain
Hypothetical membrane protein Ta0354, soluble domain
Hypothetical protein AF0491, C-terminal domain
Hypothetical protein AF0491, middle domain
Hypothetical protein AF0491, N-terminal domain
Hypothetical protein AF1548, C-terminal domain
Hypothetical protein APE0525, N-terminal domain
Hypothetical protein egc068 from a soil-derived mobile gene cassette
Hypothetical protein MTH1 (MT0001), dimerisation domain
Hypothetical protein MTH1 (MT0001), insert domain
Hypothetical protein Ta0289 C-terminal domain
Hypothetical protein Ta1423, N-terminal domain
Hypothetical protein YjiA, C-terminal domain
Hypothetical RNA methyltransferase domain (HRMD)
Hypoxia-inducible factor HIF ihhibitor (FIH1)
Hypoxia-inducible factor Hif2a, C-terminal domain
IIA domain of mannitol-specific and ntr phosphotransferase EII
IL-1 receptor type 1 antagonist peptide AF10847
Ilarvirus coat protein N-terminal fragment
Immunodominant region of protein G of BRSV
Immunoreceptor tyrosine kinase activation motif, ITAM
Inactivation gate of potassium and sodium channels
Inhibitor of mammalian ribonucleotide reductase
Inovirus (filamentous phage) major coat protein
Insert subdomain of RNA polymerase alpha subunit
Interferon regulatory factor 3 (IRF3), transactivation domain
Interferon-induced guanylate-binding protein 1 (GBP1), C-terminal domain
Intermediate filament protein, coiled coil region
Invasin/intimin cell-adhesion fragment, C-terminal domain
Invasion protein A (SipA) , C-terminal actin binding domain
IP3 receptor type 1 binding core, domain 2
Iron-dependent repressor protein, dimerization domain
Iron-sulfur subunit of formate dehydrogenase N, transmembrane anchor
Kanamycin nucleotidyltransferase (KNTase), C-terminal domain
Kanamycin nucleotidyltransferase (KNTase), N-terminal domain
Kix domain of CBP (creb binding protein)
L-fucose isomerase, N-terminal and second domains
Lactate & malate dehydrogenases, C-terminal domain
Lactophage receptor-binding protein head domain
Lactophage receptor-binding protein N-terminal domain
Leech intramolecular trans-sialidase, N-terminal domain
Lesion bypass DNA polymerase (Y-family), catalytic domain
Lesion bypass DNA polymerase (Y-family), little finger domain
Leucine aminopeptidase (Aminopeptidase A), N-terminal domain
Leukotriene A4 hydrolase C-terminal domain
Leukotriene A4 hydrolase catalytic domain
Leukotriene A4 hydrolase N-terminal domain
LexA repressor, N-terminal DNA-binding domain
LigA subunit of an aromatic-ring-opening dioxygenase LigAB
Liposaccharide-binding protein CAP18 (residues 106-137)
Lipovitellin-phosvitin complex; beta-sheet shell regions
Lissencephaly-1 protein (Lis-1, PAF-AH alpha) N-terminal domain
Listeriolysin regulatory protein PrfA, N-terminal domain
Lrp/AsnC-like transcriptional regulator C-terminal domain
Lrp/AsnC-like transcriptional regulator N-terminal domain
Lysine biosynthesis enzyme LysX ATP-binding domain
Lysine biosynthesis enzyme LysX, N-terminal domain
Magnesium transport protein CorA, transmembrane region
Manganese-dependent inorganic pyrophosphatase (family II)
Mannose-6-phosphate receptor binding protein 1 (Tip47), C-terminal domain
Mason-Pfizer monkey virus matrix protein
Mechanosensitive channel protein MscS (YggB), C-terminal domain
Mechanosensitive channel protein MscS (YggB), middle domain
Mechanosensitive channel protein MscS (YggB), transmembrane region
Medium chain acyl-CoA dehydrogenase-like, C-terminal domain
Medium chain acyl-CoA dehydrogenase, NM (N-terminal and middle) domains
Metal cation-transporting ATPase, ATP-binding domain N
Methane monooxygenase hydrolase, gamma subunit
Methicillin resistance protein FemA probable tRNA-binding arm
Methyl-accepting chemotaxis protein (MCP) signaling domain
Methyl-coenzyme M reductase alpha and beta chain C-terminal domain
Methyl-coenzyme M reductase alpha and beta chain N-terminal domain
Methylated DNA-protein cysteine methyltransferase domain
Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Methylmalonyl-CoA mutase, N-terminal (CoA-binding) domain
Micothiol-dependent maleylpyruvate isomerase C-terminal domain-like
Microbial and mitochondrial ADK, insert zinc finger domain
Middle domain of MutM-like DNA repair proteins
Middle part of short tail fibre protein gp12
Midkine, a heparin-binding growth factor, C-terminal domain
Midkine, a heparin-binding growth factor, N-terminal domain
Mini-protein reproducing the core of the CD4 surface
Mitochondrial ATP synthase coupling factor 6
Mitochondrial cytochrome c oxidase subunit IV
Mitochondrial cytochrome c oxidase subunit VIa
Mitochondrial cytochrome c oxidase subunit VIc
Mitochondrial cytochrome c oxidase subunit VIIa
Mitochondrial cytochrome c oxidase subunit VIIb
Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa)
Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX)
Mitochondrial import receptor subunit Tom20
Mitochondrial resolvase ydc2 catalytic domain
Mitochondrial ribosomal protein L51/S25/CI-B8 domain
Molybdenum cofactor biosynthesis protein C, MoaC
Molybdenum cofactor biosynthesis protein MobA
Molybdenum cofactor biosynthesis protein MoeB
Monomeric nicotinate phosphoribosyltransferase C-terminal domain
Monomeric nicotinate phosphoribosyltransferase N-terminal domain-like
MOSC (MOCO sulphurase C-terminal) domain
mRNA cap (Guanine N-7) methyltransferase
mRNA decapping enzyme DcpS C-terminal domain
mRNA decapping enzyme DcpS N-terminal domain
Multidrug efflux transporter AcrB pore domain; PN1, PN2, PC1 and PC2 subdomains
Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains
Multidrug efflux transporter AcrB transmembrane domain
Multidrug resistance efflux transporter EmrE
Multidrug-binding domain of transcription activator BmrR
Multimerization domain of the phosphoprotein from sendai virus
Myo-inositol hexaphosphate phosphohydrolase (phytase) PhyA
Myosin phosphatase inhibitor 17kDa protein, CPI-17
N-acetylglucosamine-6-phosphate deacetylase, NagA, catalytic domain
N-terminal (heme c) domain of cytochrome cd1-nitrite reductase
N-terminal domain of adenylylcyclase associated protein, CAP
N-terminal domain of adrenodoxin reductase-like
N-terminal domain of alpha and beta subunits of F1 ATP synthase
N-terminal domain of bifunctional PutA protein
N-terminal domain of enzyme I of the PEP:sugar phosphotransferase system
N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1
N-terminal domain of molybdate-dependent transcriptional regulator ModE
N-terminal domain of MutM-like DNA repair proteins
N-terminal domain of the circadian clock protein KaiA
N-terminal domain of the delta subunit of the F1F0-ATP synthase
N-terminal domains of the minor coat protein g3p
N-terminal fragment of gastric H/K-ATPase
N-terminal hairpin of ubiquitin (residues 1-17)
N-terminal subdomain of bacterial translation initiation factor IF2
N-terminal Zn binding domain of HIV integrase
N-terminal, cytoplasmic domain of anti-sigmaE factor RseA
N-terminal, heterodimerisation domain of RBP7 (RpoE)
N-terminal, RNA-binding domain of nonstructural protein NS1
N-utilization substance G protein NusG, C-terminal domain
N-utilization substance G protein NusG, insert domain
N-utilization substance G protein NusG, N-terminal domain
N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE)
NADPH-cytochrome p450 reductase FAD-binding domain-like
Nerve tissue mini-hemoglobin (neural globin)
NF-kappa-B/REL/DORSAL transcription factors, C-terminal domain
Nickel responsive regulator NikR, C-terminal domain
Nicotinic receptor ligand binding domain-like
Nitric oxide (NO) synthase oxygenase domain
Nitrite and sulphite reductase 4Fe-4S domain-like
Nitrous oxide reductase, N-terminal domain
Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Noncollagenous (NC1) domain of collagen IV
Nonstructural protein ns2, Nep, M1-binding domain
NRPS condensation domain (amide synthase)
NSFL1 (p97 ATPase) cofactor p47, SEP domain
Nuclear receptor coactivator interlocking domain
Obg GTP-binding protein C-terminal domain
Obg GTP-binding protein N-terminal domain
Octreotide (Sandostatine), a somatostatine analogue
Oligomerization domain of hepatitis delta antigen
Orange carotenoid protein, C-terminal domain
Orange carotenoid protein, N-terminal domain
Ornithine decarboxylase N-terminal wing domain
Outer membrane lipoprotein receptor LolB
Outer membrane protein transport protein
Outer surface protein, C-terminal domain
Outer surface protein, N-terminal domain
Outer-membrane lipoproteins carrier protein LolA
Oxygen-independent coproporphyrinogen III oxidase HemN
Pantothenate synthetase (Pantoate-beta-alanine ligase, PanC)
Papillomavirus e6-interacting peptide of e6ap
Parathyroid hormone fragments (residues between 1 and 39)
PAS domain of steroid receptor coactivator 1A, NCo-A1
Pencillin binding protein 4 (PbpD), C-terminal domain
Penicillin binding protein 2a (PBP2A), N-terminal domain
Penicillin binding protein dimerisation domain
Penicillin-binding protein 2x (pbp-2x), c-terminal domain
Peptide derived from p-21 activated kinase
Peptidoglycan deacetylase N-terminal noncatalytic region
Peptidylarginine deiminase Pad4, catalytic C-terminal domain
Peptidylarginine deiminase Pad4, middle domain
Peptidylarginine deiminase Pad4, N-terminal domain
Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
Periplasmic domain of cytochrome c oxidase subunit II
Periplasmic ferric siderophore binding protein FhuD
PetG subunit of the cytochrome b6f complex
PetL subunit of the cytochrome b6f complex
PetM subunit of the cytochrome b6f complex
PetN subunit of the cytochrome b6f complex
Pheromone-binding domain of LuxR-like quorum-sensing transcription factors
Phoshoinositide 3-kinase (PI3K) helical domain
Phoshoinositide 3-kinase (PI3K), catalytic domain
phosphatase domain of polynucleotide kinase
Phosphatidylinositol phosphate kinase IIbeta, PIPK IIbeta
Phosphoglycerate dehydrogenase, regulatory (C-terminal) domain
Phosphoinositide-binding clathrin adaptor, domain 2
Phosphoinositide-binding clathrin adaptor, N-terminal domain
Phosphoserine phosphatase RsbU, N-terminal domain
Photosynthetic reaction centre (cytochrome subunit)
Photosynthetic reaction centre, H-chain, cytoplasmic domain
Photosystem I accessory protein E (PsaE)
Photosystem I reaction center subunit X, PsaK
Photosystem I reaction center subunit XI, PsaL
Photosystem II reaction centre subunit H, transmembrane region
Picornaviridae-like VP (VP1, VP2, VP3 and VP4)
Pituitary adenylate cyclase activating polypeptide, pacap21
Plant inhibitors of proteinases and amylases
Plant lipid-transfer and hydrophobic proteins
Plasmid maintenance system epsilon/zeta, antidote epsilon subunit
Plasmid maintenance system epsilon/zeta, toxin zeta subunit
Pollen allergen PHL P 1 N-terminal domain
Poly A polymerase C-terminal region-like
Poly(A) polymerase, PAP, C-terminal domain
Poly(A) polymerase, PAP, N-terminal domain
Polymorphic antigen SPAM-H1 (residues 90-127)
Polynucleotide phosphorylase/guanosine pentaphosphate synthase (PNPase/GPSI), domain 3
Polypeptide N-acetylgalactosaminyltransferase 1, N-terminal domain
Porin chaperone SurA, peptide-binding domain
Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain
Positive regulator of the amidase operon AmiR
Poxvirus poly(A) polymerase catalytic subunit-like
Primase fragment of primase-helicase protein
Probable ACP-binding domain of malonyl-CoA ACP transacylase
Probable transcriptional regulator VC1968, C-terminal domain
Probable transcriptional regulator VC1968, N-terminal domain
Programmed cell death protein 5 fragments
Prokaryotic DksA/TraR C4-type zinc finger
Prokaryotic DNA topoisomerase I, a C-terminal fragment
Prokaryotic glutathione synthetase, N-terminal domain
Prokaryotic type KH domain (KH-domain type II)
Proline dehydrohenase domain of bifunctional PutA protein
Proline/betaine transporter ProP, C-terminal cytoplasmic domain
Protein HNS-dependent expression A; HdeA
Protein kinase cysteine-rich domain (cys2, phorbol-binding domain)
Protein serine/threonine phosphatase 2C, C-terminal domain
Proteins of incorrect, partial and unknown sequence
Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region
Pseudouridine synthase RsuA N-terminal domain
PTS system, Fructose specific IIB subunit-like
PTS system, Lactose/Cellobiose specific IIB subunit
Purple acid phosphatase, N-terminal domain
Putative anticodon-binding domain of alanyl-tRNA synthetase (AlaRS)
Putative glucosidase YicI, C-terminal domain
Putative Holliday junction resolvase RuvX
Putative methyltransferase TM0872, insert domain
Putative modulator of DNA gyrase, PmbA/TldD
Putative transcriptional regulator TM1602, C-terminal domain
PW2, a tryptophan-rich anticocidial peptide
Pyk2-associated protein beta ARF-GAP domain
Pym (Within the bgcn gene intron protein, WIBG), N-terminal domain
Pyrimidine nucleoside phosphorylase C-terminal domain
Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)
Pyruvate oxidase and decarboxylase PP module
Pyruvate oxidase and decarboxylase Pyr module
Pyruvate oxidase and decarboxylase, middle domain
Pyruvate phosphate dikinase, C-terminal domain
Pyruvate phosphate dikinase, central domain
Pyruvate phosphate dikinase, N-terminal domain
Pyruvate-ferredoxin oxidoreductase, PFOR, domain II
Pyruvate-ferredoxin oxidoreductase, PFOR, domain III
Pyruvoyl dependent aspartate decarboxylase, ADC
Quinohemoprotein amine dehydrogenase A chain, domain 3
Quinohemoprotein amine dehydrogenase A chain, domains 1 and 2
Quinohemoprotein amine dehydrogenase A chain, domains 4 and 5
Quinohemoprotein amine dehydrogenase B chain
Quinohemoprotein amine dehydrogenase C chain
Quinoprotein alcohol dehydrogenase, C-terminal domain
R1 subunit of ribonucleotide reductase, C-terminal domain
R1 subunit of ribonucleotide reductase, N-terminal domain
Rab geranylgeranyltransferase alpha-subunit, C-terminal domain
Rab geranylgeranyltransferase alpha-subunit, insert domain
Rack1 interaction site of the CAMP-specific phosphodiesterase pde4d5.
Ran-GTPase activating protein 1 (RanGAP1), C-terminal domain
Receiver domain of the ethylene receptor
Receptor-binding domain of short tail fibre protein gp12
Recombination endonuclease VII, C-terminal and dimerization domains
Recombination endonuclease VII, N-terminal domain
Regulator of chromosome condensation RCC1
Regulatory subunit H of the V-type ATPase
Rel/Dorsal transcription factors, DNA-binding domain
Reovirus attachment protein sigma 1 head domain
Replication modulator SeqA, C-terminal DNA-binding domain
Replication protein Rep, nuclease domain
Replisome organizer (g39p helicase loader/inhibitor protein)
Respiratory nitrate reductase 1 gamma chain
Restriction endonuclease FokI, C-terminal (catalytic) domain
Restriction endonuclease FokI, N-terminal (recognition) domain
Retrovirus capsid protein C-terminal domain
Retrovirus capsid protein, N-terminal core domain
Rhamnogalacturonase B, RhgB, C-terminal domain
Rhamnogalacturonase B, RhgB, middle domain
Rhamnogalacturonase B, RhgB, N-terminal domain
Rho termination factor, N-terminal domain
Ribosomal protein L11 methyltransferase PrmA
Ribosomal protein L11, C-terminal domain
Ribosomal protein L7/12, C-terminal domain
Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Ribosome anti-association factor eIF6 (aIF6)
Ribosome binding protein Y (YfiA homologue)
RIKEN cDNA 2310057j16 protein (KIAA1543)
Ring hydroxylating alpha subunit catalytic domain
Ring hydroxylating alpha subunit ISP domain
Rio2 serine protein kinase N-terminal domain
RNA 2'-O ribose methyltransferase substrate binding domain
RNA 3'-terminal phosphate cyclase, RPTC, insert domain
RNA editing terminal uridyl transferase 2, RET2, catalytic domain
RNA editing terminal uridyl transferase 2, RET2, domain 2
RNA polymerase alpha subunit dimerisation domain
Rob transcription factor, C-terminal domain
Rotavirus NSP2 fragment, C-terminal domain
Rotavirus NSP2 fragment, N-terminal domain
RuBisCo LSMT C-terminal, substrate-binding domain
RuBisCo, large subunit, C-terminal domain
Salicylic acid carboxyl methyltransferase (SAMT)
Satiety factor CART (cocaine and amphetamine regulated transcript)
Scaffolding protein gpD of bacteriophage procapsid
Scavenger receptor cysteine-rich (SRCR) domain
Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor
Sensor-like histidine kinase YojN, C-terminal domain
Sensory domain of two-component sensor kinase
Serralysin-like metalloprotease, catalytic (N-terminal) domain
SH3BGR (SH3-binding, glutamic acid-rich protein-like)
Sheep myeloid antimicrobial peptide SMAP29 based peptides
Siah interacting protein N terminal domain-like
Sigma2 domain of RNA polymerase sigma factors
Signal recognition particle (SRP) complex
Signal recognition particle alu RNA binding heterodimer, SRP9/14
Single-strand selective monofunctional uracil-DNA glycosylase SMUG1
Sir2 family of transcriptional regulators
Sm motif of small nuclear ribonucleoproteins, SNRNP
Small Kunitz-type inhibitors & BPTI-like toxins
Small subunit C-terminal inhibitory peptide of ribonucleotide reductase
Soluble domain of poliovirus core protein 3a
Soluble secreted chemokine inhibitor, VCCI
Spore coat polysaccharide biosynthesis protein SpsA
Sporulation response regulatory protein Spo0B
SpoU-like RNA 2'-O ribose methyltransferase
Substrate-binding domain of HMG-CoA reductase
Subunit III of photosystem I reaction centre, PsaF
Subunit IX of photosystem I reaction centre, PsaJ
Subunit PsaX of photosystem I reaction centre
Subunit VIII of photosystem I reaction centre, PsaI
Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Subunit XII of photosystem I reaction centre, PsaM
Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain
Succinate dehydrogenase/fumarate reductase flavoprotein N-terminal domain
Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain
Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD)
Succinyl-CoA synthetase, beta-chain, N-terminal domain
Supernatant protein factor (SPF), C-terminal domain
Swiveling domain of dehydratase reactivase alpha subunit
Tail specific protease, catalytic domain
Tail-associated lysozyme gp5, C-terminal domain
TATA-box binding protein (TBP), C-terminal domain
TBP-binding domain of the transcription factor IIIb Brf1 subunit
Telomeric repeat binding factor (TRF) dimerisation domain
Tetramerization domain of potassium channels
Tetramerization domain of the Mnt repressor
TH (toxin hand)-motif beta-sheet mini-protein designs
the cytoplasmic N-terminus of the bk beta-subunit kcnmb2
The homologous-pairing domain of Rad52 recombinase
The origin DNA-binding domain of SV40 T-antigen
The spindle assembly checkpoint protein mad2
Thioesterase domain of polypeptide, polyketide and fatty acid synthases
Thiol:disulfide interchange protein DsbD, N-terminal domain (DsbD-alpha)
Threonyl-tRNA synthetase (ThrRS), second 'additional' domain
Thrombomodulin EGF domain fragment (residues 409-426)
Tissue inhibitor of metalloproteinases, TIMP
TNF-alpha converting enzyme, TACE, catalytic domain
Topoisomerase VI-B subunit middle domain
Tp47 lipoprotein, middle and C-terminal domains
Transcription factor E/IIe-alpha, N-terminal domain
Transcription factor grauzone Cg33133-Pa, zinc finger associated domain
Transcription factor IIA (TFIIA), alpha-helical domain
Transcription factor IIA (TFIIA), beta-barrel domain
Transcription factor IIB (TFIIB), core domain
Transcription factor MotA, activation domain
Transcription factor NusA, N-terminal domain
Transcriptional coactivator PC4 C-terminal domain
Transcriptional factor tubby, C-terminal domain
Transcriptional regulator IclR, N-terminal domain
Transcriptional repressor Rex, C-terminal domain
Transcriptional repressor Rex, N-terminal domain
Transducin (alpha subunit), insertion domain
Transducin (heterotrimeric G protein), gamma chain
Transducin alpha-1 subunit rhodopsin binding domain (res. 340-350)
Transducin gamma-t1 subunit rhodopsin bound fragment (res. 60-71)
Translation initiation factor 2 beta, aIF2beta, N-terminal domain
Translation initiation factor IF3, C-terminal domain
Translation initiation factor IF3, N-terminal domain
Translationally controlled tumor protein TCTP (histamine-releasing factor)
Translocated intimin receptor (tir) intimin-binding domain
Triple coiled coil domain of C-type lectins
tRNA splicing product Appr>p cyclic nucleotide phosphodiesterase
tRNA-Ile-lysidine synthetase, TilS, C-terminal domain
Trp RNA-binding attenuation protein (TRAP)
Tryptophan synthase beta subunit-like PLP-dependent enzymes
Tumor suppressor protein p19-ARF fragment
Type 1 cytotoxic necrotizing factor, catalytic domain
Type 2 phosphatidic acid phosphatase, PAP2
Type I restriction modification DNA specificity domain
Type II Proline 3-hydroxylase (proline oxidase)
Type II restriction endonuclease catalytic domain
Type II restriction endonuclease effector domain
Tyrosyl-tRNA synthetase (TyrRS), C-terminal domain
Ubiquinol-cytochrome c reductase 8 kDa protein
Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Ubiquitin carboxyl-terminal hydrolase 8, USP8
Ubiquitin thiolesterase protein OTUB2 (Otubain-2)
Upper collar protein gp10 (connector protein)
Urease metallochaperone UreE, C-terminal domain
Urease metallochaperone UreE, N-terminal domain
Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase (MurB), N-terminal domain
Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase, MurB, C-terminal domain
V set domains (antibody variable domain-like)
V-region of surface antigen I/II (SA I/II, PAC)
Vaccinia DNA topoisomerase I, 9 kDa N-terminal fragment
Vacuolar targeting peptide from NA-PROPI (residues 29-54)
Valyl-tRNA synthetase (ValRS) C-terminal domain
Variant surface glycoprotein (N-terminal domain)
Variant surface glycoprotein MITAT 1.2, VSG 221, C-terminal domain
Vasodilator-stimulated phosphoprotein, VASP, tetramerisation domain
Very short patch repair (VSR) endonuclease
Vibrio cholerae sialidase, N-terminal and insertion domains
Viral glycoprotein, central and dimerisation domains
Viral histone H3 Lysine 27 Methyltransferase
Vitelline membrane outer protein-I (VMO-I)
vp6, the major capsid protein of group A rotavirus
Wiscott-Aldrich syndrome protein, WASP, C-terminal domain
X-Prolyl dipeptidyl aminopeptidase PepX, N-terminal domain
YopH tyrosine phosphatase N-terminal domain
Zinc domain conserved in yeast copper-regulated transcription factors
Zinc finger domain of DNA polymerase-alpha
Zinc-binding domain of translation initiation factor 2 beta