Search PepX | PepX: a structural database of protein-peptide complexes

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SCOP Family

MHC antigen-recognition domain (169)
Nuclear receptor ligand-binding domain (75)
C1 set domains (antibody constant domain-like) (53)
Protein kinases. catalytic subunit (50)
Calmodulin-like (27)
Avidin/streptavidin (26)
Eukaryotic proteases (25)
Retroviral protease (retropepsin) (17)
PDZ domain (14)
SH3-domain (14)
Ribonuclease A-like (12)
CheY-related (10)
Clathrin adaptor appendage. alpha and beta chain-specific domain (9)
Subtilases (9)
Armadillo repeat (8)
Protein prenylyltransferase (8)
Vertebrate phospholipase A2 (8)
Viral proteases (8)
Phosphotyrosine-binding domain (PTB) (7)
Serpins (7)
V set domains (antibody variable domain-like) (7)
Cyclin (6)
Inhibitor of apoptosis (IAP) repeat (6)
Pepsin-like (6)
Pilus subunits (6)
Translation initiation factor eIF4e (6)
Virus ectodomain (6)
Profilin (actin-binding protein) (5)
Bcl-2 inhibitors of programmed cell death (4)
DNA polymerase processivity factor (4)
Filamin repeat (rod domain) (4)
Kelch motif (4)
N-acetyl transferase. NAT (4)
Trimerization domain of TRAF (4)
alpha-catenin/vinculin (3)
CI-2 family of serine protease inhibitors (3)
Cyclophilin (peptidylprolyl isomerase) (3)

First domain of FERM (3)
G proteins (3)
Heat shock protein 70kD (HSP70). peptide-binding domain (3)
Leucine zipper domain (3)
Peptidylarginine deiminase Pad4. catalytic C-terminal domain (3)
Retinoblastoma tumor suppressor domains (3)
Stringent starvation protein B. SspB (3)
Sulfatase-modifying factor-like (3)
Telomeric repeat binding factor (TRF) dimerisation domain (3)
Tetratricopeptide repeat (TPR) (3)
VHS domain (3)
ASF1-like (2)
BTB/POZ domain (2)
Cytochrome c oxidase subunit II-like. transmembrane region (2)
DLC (2)
DNA polymerase III. beta subunit (2)
Enabled/VASP homology 1 domain (EVH1 domain) (2)
Epsilon subunit of F1F0-ATP synthase N-terminal domain (2)
Fibronectin type I module (2)
FKBP immunophilin/proline isomerase (2)
GABARAP-like (2)
gamma-adaptin C-terminal appendage domain-like (2)
MATH domain (2)
NTF2-like (2)
Nucleotide and nucleoside kinases (2)
Penta-EF-hand proteins (2)
Pyruvoyl dependent aspartate decarboxylase. ADC (2)
Ribosomal protein L10-like (2)
Ribosomal protein L7/12. C-terminal domain (2)
S100 proteins (2)
SH2 domain (2)
Sir2 family of transcriptional regulators (2)
SWIB/MDM2 domain (2)
Third domain of FERM (2)
Viral cysteine protease of trypsin fold (2)
WD40-repeat (2)
WW domain (2)

14-3-3 protein (1)
Actin/HSP70 (1)
Adenain-like (1)
Amylase. catalytic domain (1)
Antivirulence factor (1)
beta-Lactamase/D-ala carboxypeptidase (1)
C-terminal domain of the rap74 subunit of TFIIF (1)
Calmodulin (1)
Cap-Gly domain (1)
Caspase catalytic domain (1)
Cell-division protein ZipA. C-terminal domain (1)
Chemotaxis receptor methyltransferase CheR. C-terminal domain (1)
Clathrin heavy-chain terminal domain (1)
Clostridium neurotoxins. C-terminal domain (1)
Clostridium neurotoxins. catalytic domain (1)
ClpX chaperone zinc binding domain (1)
Coronavirus S2 glycoprotein (1)
Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit (1)
DPP6 catalytic domain-like (1)
E2 regulatory. transactivation domain (1)
EGF-type module (1)
Enolase N-terminal domain-like (1)
Ephrin receptor ligand binding domain (1)
FAT domain of focal adhesion kinase (1)
Fibrinogen-binding domain (1)
Gelsolin-like (1)
gp120 core (1)
GroEL-like chaperone. apical domain (1)
Hevein-like agglutinin (lectin) domain (1)
Influenza hemagglutinin (stalk) (1)
L-arabinose binding protein-like (1)
Legume lectins (1)
Mannose-binding lectins (1)
MoeA central domain-like (1)
Motor proteins (1)
MPP-like (1)
N-myristoyl transferase. NMT (1)

Neurophysin II (1)
NSP3 C-terminal domain. NS34 (1)
NusA extra C-terminal domains (1)
Pancreatic carboxypeptidases (1)
Papain-like (1)
Papovaviridae-like VP (1)
PAS domain of steroid receptor coactivator 1A. NCo-A1 (1)
Phosphate binding protein-like (1)
Phosphoprotein XD domain (1)
Phycocyanin-like phycobilisome proteins (1)
PIN domain (1)
Plant cytotoxins (1)
Platelet-derived growth factor-like (1)
Porin (1)
Prolyl oligopeptidase. C-terminal domain (1)
Protein serine/threonine phosphatase (1)
RecA protein-like (ATPase-domain) (1)
Receptor-binding domain of short tail fibre protein gp12 (1)
Regulator of G-protein signaling. RGS (1)
Retrovirus capsid protein C-terminal domain (1)
Ribosomal protein L7/12. oligomerisation (N-terminal) domain (1)
Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor (1)
Single strand DNA-binding domain. SSB (1)
Snake venom toxins (1)
SO1698-like (1)
Splicing factor U2AF subunits (1)
SPRY domain (1)
TAP-C domain-like (1)
TNF-like (1)
TolB. N-terminal domain (1)
Transferrin (1)
UBA domain (1)
Ubiquitin-related (1)
UDP N-acetylglucosamine acyltransferase (1)
XRCC4. C-terminal oligomerization domain (1)
Zn-finger domain of Sec23/24 (1)