14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain
2,3-Bisphosphoglycerate-independent phosphoglycerate mutase, substrate-binding domain
39 kda initiator binding protein, IBP39, C-terminal domains
5' to 3' exonuclease, C-terminal subdomain
5'-nucleotidase (syn. UDP-sugar hydrolase), C-terminal domain
A DNA-binding domain in eukaryotic transcription factors
a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
A virus capsid protein alpha-helical domain
ABC transporter involved in vitamin B12 uptake, BtuC
Acetylcholine receptor fragment (residues alpha 67-76)
Activating enzymes of the ubiquitin-like proteins
Ada DNA repair protein, N-terminal domain (N-Ada 10)
Adenylylcyclase toxin (the edema factor)
Aldehyde ferredoxin oxidoreductase, C-terminal domains
Aldehyde ferredoxin oxidoreductase, N-terminal domain
Alpha subunit of glutamate synthase, C-terminal domain
alpha-2a adrenergic receptor pepride t3-i2
alpha-ketoacid dehydrogenase kinase, N-terminal domain
Amyloid beta a4 protein copper binding domain (domain 2)
An anticodon-binding domain of class I aminoacyl-tRNA synthetases
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
Antigen MPT63/MPB63 (immunoprotective extracellular protein)
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
ATP synthase beta chain, mitochondrial prepeptide
ATP-dependent DNA ligase DNA-binding domain
ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
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
beta and beta-prime subunits of DNA dependent RNA-polymerase
beta-Catenine bound non-globular protein regions
Bhpbr3, the Baff-binding loop of br3 embedded in a beta-hairpin peptide
Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
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 alpha and beta subunits of F1 ATP synthase
C-terminal domain of B transposition protein
C-terminal domain of DFF45/ICAD (DFF-C domain)
C-terminal domain of RNA polymerase alpha subunit
C-terminal domain of transcriptional repressors
C-terminal effector domain of the bipartite response regulators
C-terminal, gelsolin-like domain of Sec23/24
C2 domain (Calcium/lipid-binding domain, CaLB)
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 connection domain
Carbamoyl phosphate synthetase, small subunit N-terminal domain
Cation efflux protein cytoplasmic domain-like
Cation efflux protein transmembrane domain-like
Cell division protein MinE topological specificity domain
Cell growth inhibitor/plasmid maintenance toxic component
Cell-division inhibitor MinC, C-terminal domain
Cell-division inhibitor MinC, N-terminal domain
Cell-division protein ZipA, C-terminal domain
Chemotaxis receptor methyltransferase CheR, N-terminal domain
CI-2 family of serine protease inhibitors
Class II MHC-associated invariant chain ectoplasmic trimerization domain
CO dehydrogenase flavoprotein C-terminal domain-like
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 metallo-dependent hydrolases
Computational models partly based on experimental data
Conserved core of transcriptional regulatory protein vp16
Conserved domain common to transcription factors TFIIS, elongin A, CRSP70
Cross-reactive peptides from 60S acidic ribosomal protein p2
Cysteine-rich DNA binding domain, (DM domain)
Cytochrome b5-like heme/steroid binding domain
Cytochrome c oxidase subunit II-like, transmembrane region
Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor
Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor
D-aminopeptidase, middle and C-terminal domains
D-lysine 5,6-aminomutase beta subunit KamE, N-terminal domain
D-ribose-5-phosphate isomerase (RpiA), lid domain
Designed EF-hand type cation-binding loop
Designed single chain three-helix bundle
Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit
Dipeptidyl peptidase I (cathepsin C), exclusion domain
DNA helicase RuvA subunit, C-terminal domain
DNA ligase/mRNA capping enzyme, catalytic domain
DNA polymerase beta, N-terminal domain-like
DNA-binding C-terminal domain of the transcription factor MotA
DNA-binding domain of intron-encoded endonucleases
DNA-binding domain of Mlu1-box binding protein MBP1
DNA-binding domain of retroviral integrase
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
Elongation factor Ts (EF-Ts), dimerisation domain
Endosomal sorting complex assembly domain
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
Eukaryotic DNA topoisomerase I, dispensable insert domain
Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
Eukaryotic initiation factor 4f subunit eIF4g, eIF4e-binding domain
Eukaryotic type KH-domain (KH-domain type I)
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
Families 57/38 glycoside transferase middle domain
Family A G protein-coupled receptor-like
Fe-S cluster assembly (FSCA) domain-like
Fe,Mn superoxide dismutase (SOD), C-terminal domain
Fe,Mn superoxide dismutase (SOD), N-terminal domain
Ferredoxin reductase-like, C-terminal NADP-linked domain
Ferredoxin thioredoxin reductase (FTR), catalytic beta chain
Fibre shaft of virus attachment proteins
Fibrinogen coiled-coil and central regions
FKBP12-rapamycin-binding domain of FKBP-rapamycin-associated protein (FRAP)
Formate dehydrogenase/DMSO reductase, domains 1-3
Fragments of the L-type calcium channel alpha subunit Cav.1 (dihydropyridine receptor)
Fumarate reductase respiratory complex transmembrane subunits
Fumarylacetoacetate hydrolase, FAH, N-terminal domain
Functional domain of the splicing factor Prp18
General secretion pathway protein M, EpsM
Glutamyl tRNA-reductase catalytic, N-terminal domain
Glycosyl hydrolases family 6, cellulases
GMP synthetase C-terminal dimerisation domain
GreA transcript cleavage protein, N-terminal domain
GTP cyclohydrolase I feedback regulatory protein, GFRP
Guanosine diphospho-D-mannose pyrophosphorylase/mannose-6-phosphate isomerase linker domain
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
Helical scaffold and wing domains of SecA
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
Histidine-containing phosphotransfer domain, HPT domain
Histone H3 K4-specific methyltransferase SET7/9 N-terminal domain
HMG-box transcription factor 1 fragments
Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Homodimeric domain of signal transducing histidine kinase
HSC20 (HSCB), C-terminal oligomerisation domain
Human glutathione reductase (HGR) inhibitor
Hut operon positive regulatory protein HutP
Hypothetical membrane protein Ta0354, soluble domain
Hypothetical protein AF0491, middle domain
Hypothetical protein Ta0289 C-terminal domain
Hypothetical protein YjiA, C-terminal domain
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-induced guanylate-binding protein 1 (GBP1), C-terminal domain
Intermediate filament protein, coiled coil region
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
Kix domain of CBP (creb binding protein)
Lesion bypass DNA polymerase (Y-family), little finger domain
Leukotriene A4 hydrolase N-terminal domain
LigA subunit of an aromatic-ring-opening dioxygenase LigAB
Ligand-binding domain in the NO signalling and Golgi transport
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
Magnesium transport protein CorA, transmembrane region
Mannose-6-phosphate receptor binding protein 1 (Tip47), C-terminal domain
Mechanosensitive channel protein MscS (YggB), C-terminal domain
Mechanosensitive channel protein MscS (YggB), transmembrane region
Membrane ion channel-forming peptide antibiotics containing D-aminoacids
Metal cation-transporting ATPase, ATP-binding domain N
Methane monooxygenase hydrolase, gamma subunit
Methyl-accepting chemotaxis protein (MCP) signaling domain
Methyl-coenzyme M reductase alpha and beta chain C-terminal domain
Methylated DNA-protein cysteine methyltransferase domain
Methylated DNA-protein cysteine methyltransferase, C-terminal domain
Microbial and mitochondrial ADK, insert zinc finger domain
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
Molybdenum cofactor biosynthesis protein C, MoaC
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
Multimerization domain of the phosphoprotein from sendai virus
MurD-like peptide ligases, catalytic domain
MurD-like peptide ligases, peptide-binding domain
Myosin phosphatase inhibitor 17kDa protein, CPI-17
N-terminal domain of adenylylcyclase associated protein, CAP
N-terminal domain of alpha and beta subunits of F1 ATP synthase
N-terminal domain of bifunctional PutA protein
N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1
N-terminal domain of MutM-like DNA repair proteins
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 nucleophile aminohydrolases (Ntn hydrolases)
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-utilization substance G protein NusG, insert domain
N-utilization substance G protein NusG, N-terminal domain
N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE)
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-globular alpha+beta subunits of globular proteins
Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Nonstructural protein ns2, Nep, M1-binding domain
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, N-terminal domain
Origin of replication-binding domain, RBD-like
P-loop containing nucleoside triphosphate hydrolases
PAP/Archaeal CCA-adding enzyme, C-terminal domain
Papillomavirus e6-interacting peptide of e6ap
Parathyroid hormone fragments (residues between 1 and 39)
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, middle domain
Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
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
Photosystem I reaction center subunit X, PsaK
Photosystem I reaction center subunit XI, PsaL
Photosystem II 10 kDa phosphoprotein PsbH
Photosystem II reaction center protein I, PsbI
Photosystem II reaction center protein J, PsbJ
Photosystem II reaction center protein K, PsbK
Photosystem II reaction center protein L, PsbL
Photosystem II reaction center protein M, PsbM
Photosystem II reaction center protein T, PsbT
Photosystem II reaction centre subunit H, transmembrane region
Pituitary adenylate cyclase activating polypeptide, pacap21
Plant inhibitors of proteinases and amylases
Plasmid maintenance system epsilon/zeta, antidote epsilon subunit
Poly A polymerase C-terminal region-like
Polymorphic antigen SPAM-H1 (residues 90-127)
Polynucleotide phosphorylase/guanosine pentaphosphate synthase (PNPase/GPSI), domain 3
Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain
Probable ACP-binding domain of malonyl-CoA ACP transacylase
Programmed cell death protein 5 fragments
Prokaryotic lipoproteins and lipoprotein localization factors
Prokaryotic type KH domain (KH-domain type II)
Proline/betaine transporter ProP, C-terminal cytoplasmic domain
Protein HNS-dependent expression A; HdeA
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
Purple acid phosphatase, N-terminal domain
Putative anticodon-binding domain of alanyl-tRNA synthetase (AlaRS)
Putative glucosidase YicI, C-terminal domain
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
Pym (Within the bgcn gene intron protein, WIBG), N-terminal domain
Pyrimidine nucleoside phosphorylase C-terminal domain
Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)
Pyruvate-ferredoxin oxidoreductase, PFOR, domain III
Pyruvoyl-dependent histidine and arginine decarboxylases
Quinohemoprotein amine dehydrogenase A chain, domain 3
Quinohemoprotein amine dehydrogenase C chain
R1 subunit of ribonucleotide reductase, N-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
Receptor-binding domain of short tail fibre protein gp12
Recombination endonuclease VII, C-terminal and dimerization domains
Replication modulator SeqA, C-terminal DNA-binding domain
Replisome organizer (g39p helicase loader/inhibitor protein)
Respiratory nitrate reductase 1 gamma chain
Retrovirus capsid protein, N-terminal core domain
Ribosomal protein L11, C-terminal domain
Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Ribosome binding protein Y (YfiA homologue)
RNA 3'-terminal phosphate cyclase, RPTC, insert domain
Rotavirus NSP2 fragment, C-terminal domain
Rotavirus NSP2 fragment, N-terminal domain
RuBisCo LSMT C-terminal, substrate-binding domain
RuBisCO, large subunit, small (N-terminal) domain
Satiety factor CART (cocaine and amphetamine regulated transcript)
Scaffolding protein gpD of bacteriophage procapsid
Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor
Sheep myeloid antimicrobial peptide SMAP29 based peptides
Sigma2 domain of RNA polymerase sigma factors
Sigma3 and sigma4 domains of RNA polymerase sigma factors
Signal recognition particle (SRP) complex
Signal recognition particle alu RNA binding heterodimer, SRP9/14
Small subunit C-terminal inhibitory peptide of ribonucleotide reductase
Soluble domain of poliovirus core protein 3a
Soluble secreted chemokine inhibitor, VCCI
Sporulation response regulatory protein Spo0B
Subdomain of clathrin and coatomer appendage domain
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
Subunits of heterodimeric actin filament capping protein Capz
Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain
Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain
Supernatant protein factor (SPF), C-terminal domain
Swiveling domain of dehydratase reactivase alpha subunit
Synthetic high affinity IgE receptor antagonists
TBP-binding domain of the transcription factor IIIb Brf1 subunit
Telomeric repeat binding factor (TRF) dimerisation domain
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 spindle assembly checkpoint protein mad2
Thiol:disulfide interchange protein DsbD, N-terminal domain (DsbD-alpha)
Thrombomodulin EGF domain fragment (residues 409-426)
Tp47 lipoprotein, middle and C-terminal domains
Transcription factor IIA (TFIIA), alpha-helical domain
Transcription factor IIA (TFIIA), beta-barrel domain
Transcription factor NusA, 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
Translocated intimin receptor (tir) intimin-binding domain
Triple coiled coil domain of C-type lectins
Tryptophan synthase beta subunit-like PLP-dependent enzymes
Tumor suppressor protein p19-ARF fragment
Type III secretory system chaperone-like
Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
Upper collar protein gp10 (connector protein)
Urease metallochaperone UreE, C-terminal domain
Urease metallochaperone UreE, N-terminal domain
Uridine diphospho-N-Acetylenolpyruvylglucosamine reductase, MurB, C-terminal domain
V-region of surface antigen I/II (SA I/II, PAC)
Vacuolar targeting peptide from NA-PROPI (residues 29-54)
Variant surface glycoprotein (N-terminal domain)
Variant surface glycoprotein MITAT 1.2, VSG 221, C-terminal domain
Vasodilator-stimulated phosphoprotein, VASP, tetramerisation domain
Viral glycoprotein, central and dimerisation domains
Virus attachment protein globular domain
Vitelline membrane outer protein-I (VMO-I)
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