PepX: a structural database of protein-peptide complexes

6-bladed beta-propeller 7-bladed beta-propeller Acid proteases Acyl-CoA N-acyltransferases (Nat) Acyl carrier protein-like alpha-alpha superhelix alpha/beta-Hydrolases Anticodon-binding domain-like Antivirulence factor beta-Grasp (ubiquitin-like) beta-lactamase/transpeptidase-like beta-Prism I beta-Trefoil C-type lectin-like Calmodulin Caspase-like CI-2 family of serine protease inhibitors ClpS-like Common fold of diphtheria toxin/transcription factors/cytochrome f Concanavalin A-like lectins/glucanases Cupredoxin-like Cyclin-like Cyclophilin-like Cystatin-like Cysteine proteinases Cystine-knot cytokines DHS-like NAD/FAD-binding domain Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit DLC DNA/RNA-binding 3-helical bundle DNA clamp Double psi beta-barrel E2 regulatory. transactivation domain EF Hand-like eIF4e-like Epsilon subunit of F1F0-ATP synthase N-terminal domain Ferredoxin-like FKBP-like Flavodoxin-like FnI-like domain Four-helical up-and-down bundle Galactose-binding domain-like Gelsolin-like Globin-like Glucocorticoid receptor-like (DNA-binding domain) gp120 core Heat shock protein 70kD (HSP70). peptide-binding domain Immunoglobulin-like beta-sandwich immunoglobulin/albumin-binding domain-like Inhibitor of apoptosis (IAP) repeat Knottins (small inhibitors. toxins. lectins) Metallo-dependent phosphatases MHC antigen-recognition domain Molybdenum cofactor biosynthesis proteins Neurophysin II Nuclear receptor ligand-binding domain Nucleoplasmin-like/VP (viral coat and capsid proteins) P-loop containing nucleoside triphosphate hydrolases Parallel coiled-coil PDZ domain-like Pentein. beta/alpha-propeller Periplasmic binding protein-like II PH domain-like barrel Phospholipase A2. PLA2 PIN domain-like POZ domain Profilin-like Protein kinase-like (PK-like) Receptor-binding domain of short tail fibre protein gp12 Regulator of G-protein signaling. RGS Ribonuclease H-like motif Ribosomal protein L7/12. oligomerisation (N-terminal) domain Ribosome inactivating proteins (RIP) RNase A-like Rubredoxin-like RuvA C-terminal domain-like S-adenosyl-L-methionine-dependent methyltransferases SAM domain-like Serpins SH2-like SH3-like barrel Single-stranded left-handed beta-helix Snake toxin-like SspB-like Stalk segment of viral fusion proteins Streptavidin-like Subdomain of clathrin and coatomer appendage domain Subtilisin-like SWIB/MDM2 domain TBP-like Telomeric repeat binding factor (TRF) dimerisation domain The swivelling beta/beta/alpha domain TIM beta/alpha-barrel TNF-like TRAF domain-like Transmembrane beta-barrels Transmembrane helix hairpin Trypsin-like serine proteases WW domain-like Zincin-like