PepX: a structural database of protein-peptide complexes
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SCOP Class
Alpha and beta proteins (a+b)
(304)
All beta proteins
(236)
All alpha proteins
(165)
Alpha and beta proteins (a/b)
(42)
Coiled coil proteins
(17)
Small proteins
(14)
Multi-domain proteins (alpha and beta)
(9)
Membrane and cell surface proteins and peptides
(7)
Designed proteins
(1)
SCOP Fold
MHC antigen-recognition domain
(169)
Nuclear receptor ligand-binding domain
(75)
Immunoglobulin-like beta-sandwich
(68)
Protein kinase-like (PK-like)
(50)
Trypsin-like serine proteases
(35)
EF Hand-like
(31)
Streptavidin-like
(26)
Acid proteases
(23)
alpha-alpha superhelix
(23)
SH3-like barrel
(15)
more...
SCOP Superfamily
MHC antigen-recognition domain
(169)
Nuclear receptor ligand-binding domain
(75)
Immunoglobulin
(60)
Protein kinase-like (PK-like)
(50)
Trypsin-like serine proteases
(35)
EF-hand
(31)
Avidin/streptavidin
(26)
Acid proteases
(23)
PDZ domain-like
(14)
SH3-domain
(14)
more...
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)
more...
CATH Architecture
Beta Barrel
(300)
2-Layer Sandwich
(245)
Orthogonal Bundle
(144)
Roll
(96)
Sandwich
(88)
3-Layer(aba) Sandwich
(49)
Alpha Horseshoe
(26)
Up-down Bundle
(24)
Aligned Prism
(12)
Alpha-Beta Complex
(10)
more...
CATH Class
Mainly Beta
(466)
Alpha Beta
(355)
Mainly Alpha
(194)
Few Secondary Structures
(1)
CATH Superfamily
Trypsin-like serine proteases
(219)
Murine Class I Major Histocompatibility Complex. H2-DB. subunit A. domain 1
(147)
Retinoid X Receptor
(97)
Immunoglobulins
(65)
Phosphorylase Kinase. domain 1
(54)
Acid Proteases
(28)
SH3 Domains
(23)
EF-hand
(21)
Class II Histocompatibility Antigen. M Beta Chain. Chain B. domain 1
(20)
P-30 Protein
(19)
more...
CATH Topology
Thrombin. subunit H
(233)
Murine Class I Major Histocompatibility Complex. H2-DB. Chain A. domain 1
(147)
Retinoid X Receptor
(97)
Immunoglobulin-like
(72)
Phosphorylase Kinase. domain 1
(54)
Rossmann fold
(41)
Cathepsin D. subunit A. domain 1
(28)
Lipocalin
(27)
SH3 type barrels.
(26)
Recoverin. domain 1
(21)
more...
PFAM
Trypsin
(162)
C1-set
(137)
Hormone_recep
(55)
Pkinase
(34)
Avidin
(25)
SH3_1
(17)
RVP
(15)
PDZ
(13)
Jacalin
(11)
RnaseA
(11)
more...
PDB Keywords
Hydrolase
(231)
immune system
(210)
polymorphism
(163)
glycoprotein
(138)
transferase
(115)
serine protease
(111)
phosphoprotein
(107)
disease mutation
(100)
alternative splicing
(89)
Transcription
(89)
more...
Content type
Class
(5525)
PDB
(1431)
SCOP Class
All alpha proteins
All beta proteins
Alpha and beta proteins (a+b)
Alpha and beta proteins (a/b)
Coiled coil proteins
Designed proteins
Membrane and cell surface proteins and peptides
Multi-domain proteins (alpha and beta)
Small proteins
SCOP Fold
6-bladed beta-propeller
7-bladed beta-propeller
Acid proteases
Acyl-CoA N-acyltransferases (Nat)
alpha-alpha superhelix
alpha/beta-Hydrolases
beta-Grasp (ubiquitin-like)
C-type lectin-like
CI-2 family of serine protease inhibitors
ClpS-like
Common fold of diphtheria toxin/transcription factors/cytochrome f
Concanavalin A-like lectins/glucanases
Cyclin-like
Cyclophilin-like
Cysteine proteinases
DHS-like NAD/FAD-binding domain
DNA clamp
EF Hand-like
eIF4e-like
Ferredoxin-like
Flavodoxin-like
Four-helical up-and-down bundle
Heat shock protein 70kD (HSP70). peptide-binding domain
Immunoglobulin-like beta-sandwich
Inhibitor of apoptosis (IAP) repeat
MHC antigen-recognition domain
Nuclear receptor ligand-binding domain
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
POZ domain
Profilin-like
Protein kinase-like (PK-like)
RNase A-like
RuvA C-terminal domain-like
Serpins
SH2-like
SH3-like barrel
SspB-like
Stalk segment of viral fusion proteins
Streptavidin-like
Subdomain of clathrin and coatomer appendage domain
Subtilisin-like
SWIB/MDM2 domain
Telomeric repeat binding factor (TRF) dimerisation domain
Trypsin-like serine proteases
more tags
SCOP Superfamily
Acid proteases
Acyl-CoA N-acyltransferases (Nat)
alpha-catenin/vinculin-like
ARM repeat
ASF1-like
Avidin/streptavidin
Bacterial adhesins
Bcl-2 inhibitors of programmed cell death
C-type lectin-like
CheY-like
CI-2 family of serine protease inhibitors
Cyclin-like
Cyclophilin-like
Cytochrome c oxidase subunit II-like. transmembrane region
DNA clamp
EF-hand
eIF4e-like
ENTH/VHS domain
E set domains
Heat shock protein 70kD (HSP70). peptide-binding domain
Immunoglobulin
Inhibitor of apoptosis (IAP) repeat
Kelch motif
Leucine zipper domain
MHC antigen-recognition domain
Nuclear receptor ligand-binding domain
P-loop containing nucleoside triphosphate hydrolases
PDZ domain-like
Pentein
Periplasmic binding protein-like II
PH domain-like
Phospholipase A2. PLA2
POZ domain
Profilin (actin-binding protein)
Protein kinase-like (PK-like)
Protein prenylyltransferase
Ribosomal protein L10-like
RNase A-like
Serpins
SH2 domain
SH3-domain
SspB-like
Subdomain of clathrin and coatomer appendage domain
Subtilisin-like
Telomeric repeat binding factor (TRF) dimerisation domain
TPR-like
Trimerization domain of TRAF
Trypsin-like serine proteases
Ubiquitin-like
Virus ectodomain
more tags
SCOP Family
alpha-catenin/vinculin
Armadillo repeat
Avidin/streptavidin
Bcl-2 inhibitors of programmed cell death
C1 set domains (antibody constant domain-like)
Calmodulin-like
CheY-related
CI-2 family of serine protease inhibitors
Clathrin adaptor appendage. alpha and beta chain-specific domain
Cyclin
Cyclophilin (peptidylprolyl isomerase)
DNA polymerase processivity factor
Eukaryotic proteases
Filamin repeat (rod domain)
First domain of FERM
G proteins
Heat shock protein 70kD (HSP70). peptide-binding domain
Inhibitor of apoptosis (IAP) repeat
Kelch motif
Leucine zipper domain
MHC antigen-recognition domain
N-acetyl transferase. NAT
Nuclear receptor ligand-binding domain
PDZ domain
Pepsin-like
Peptidylarginine deiminase Pad4. catalytic C-terminal domain
Phosphotyrosine-binding domain (PTB)
Pilus subunits
Profilin (actin-binding protein)
Protein kinases. catalytic subunit
Protein prenylyltransferase
Retinoblastoma tumor suppressor domains
Retroviral protease (retropepsin)
Ribonuclease A-like
Serpins
SH3-domain
Stringent starvation protein B. SspB
Subtilases
Sulfatase-modifying factor-like
Telomeric repeat binding factor (TRF) dimerisation domain
Tetratricopeptide repeat (TPR)
Translation initiation factor eIF4e
Trimerization domain of TRAF
Vertebrate phospholipase A2
VHS domain
Viral cysteine protease of trypsin fold
Viral proteases
Virus ectodomain
V set domains (antibody variable domain-like)
WD40-repeat
more tags
CATH Class
Alpha Beta
Few Secondary Structures
Mainly Alpha
Mainly Beta
CATH Architecture
2-Layer Sandwich
3 Solenoid
3-Layer(aba) Sandwich
3-Layer(bba) Sandwich
4-Layer Sandwich
6 Propellor
7 Propellor
Aligned Prism
Alpha-Beta Barrel
Alpha-Beta Complex
Alpha Horseshoe
Beta Barrel
Beta Complex
Box
Irregular
Orthogonal Bundle
Ribbon
Roll
Sandwich
Up-down Bundle
CATH Topology
Alpha-Beta Plaits
Aminopeptidase
Antithrombin. Chain I. domain 2
Apoptosis. Tumor Necrosis Factor Receptor Associated Protein 2. Chain A
Barwin-like endoglucanases
Beta-Lactamase
cAMP-dependent Protein Kinase. Chain A
Cathepsin B. Chain A
Cathepsin D. subunit A. domain 1
Class II Histocompatibility Antigen. M Beta Chain. Chain B. domain 1
Cyclin A. domain 1
Cyclophilin
Four Helix Bundle (Hemerythrin (Met). subunit A)
Helicase. Ruva Protein. domain 3
Immunoglobulin-like
Inhibitor Of Apoptosis Protein (2mihbC-IAP-1). Chain A
Jelly Rolls
Leucine-rich Repeat Variant
Lipocalin
MDM2
Methylamine Dehydrogenase. Chain H
Murine Class I Major Histocompatibility Complex. H2-DB. Chain A. domain 1
Neuraminidase
P-30 Protein
paralog of FGE (formylglycine-generating enzyme)
Pdz3 Domain
PH-domain like
Phospholipase A2
Phosphorylase Kinase. domain 1
Porin
Proliferating Cell Nuclear Antigen
Recoverin. domain 1
Retinoid X Receptor
Ribosomal Protein L30. Chain A.
RNA Cap. Translation Initiation Factor Eif4e
Rossmann fold
Serine Threonine Protein Phosphatase 5. Tetratricopeptide repeat
Severin
SH3 type barrels.
SHC Adaptor Protein
Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Substrate Binding Domain Of DNAk. Chain A. domain 1
TATA-Binding Protein
Thrombin. subunit H
TIM Barrel
Trypsin Inhibitor V. Chain A
Ubiquitin-like (UB roll)
vbs2 fragment of talin
Vitelline Membrane Outer Layer Protein I. subunit A
Wheat Germ Agglutinin (Isolectin 2). domain 1
more tags
CATH Superfamily
Acid Proteases
Actin. Chain A. domain 4
Adenoviral Proteinase. Chain A
Antithrombin. subunit I. domain 2
Apoptosis. Tumor Necrosis Factor Receptor Associated Protein 2. Chain A
Apoptosis Regulator Bcl-x
cAMP-dependent Protein Kinase. Chain A
Class II Histocompatibility Antigen. M Beta Chain. Chain B. domain 1
Cupredoxins -
Cyclophilin
Cysteine proteinases
DNA helicase RuvA subunit. C-terminal domain
EF-hand
Galactose-binding domain-like
HIV Envelope Protein Gp120. Chain G
Immunoglobulins
Inhibitor Of Apoptosis Protein (2mihbC-IAP-1). Chain A
Kelch-like ech-associated protein 1
Leucine-rich Repeat Variant
MDM2
Murine Class I Major Histocompatibility Complex. H2-DB. subunit A. domain 1
P-30 Protein
P-loop containing nucleotide triphosphate hydrolases
paralog of FGE (formylglycine-generating enzyme)
Periplasmic binding protein-like II
Phosphatidylinositol 3-kinase Catalytic Subunit. Chain A. domain 1
Phospholipase A2
Phosphorylase Kinase. domain 1
Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Porin
Potassium Channel Kv1.1. Chain A
Protein Inhibitor Of Neuronal Nitric Oxide Synthase.
Retinoid X Receptor
Ricin (A Subunit). domain 2
RNA Cap. Translation Initiation Factor Eif4e
Severin
SH3 Domains
SHC Adaptor Protein
Stringent starvation protein B. SspB
Substrate Binding Domain Of DNAk. Chain A. domain 1
TATA-Binding Protein
Telomeric repeat binding factor (TRF) dimerisation domain
TPP-binding domain
Trypsin-like serine proteases
Trypsin Inhibitor V. subunit A
Vaccinia Virus protein VP39
Vinculin head like domains
winged helix
YVTN repeat-like/Quinoprotein amine dehydrogenase
Zinc/RING finger domain. C3HC4 (zinc finger)
more tags
PFAM
Alpha_adaptin_C
Arm
Asp
Asp_decarbox
Avidin
BIR
C1-set
Cyclin_C
DUF323
DUF1968
efhand
Hormone_recep
HSP70
IBB
IF4E
Jacalin
MATH
MHC_I
PCNA_C
PDZ
Peptidase_C1
Peptidase_C4
Peptidase_C30
Peptidase_S8
Peptidase_S29
Pfam-B_35301
Pfam-B_110592
Pfam-B_132725
Phospholip_A2_1
PID
Pkinase
Pkinase_C
Pkinase_Tyr
potato_inhibit
Profilin
Pro_isomerase
Ribosomal_L10
Ribosomal_L12
RnaseA
RVP
Serpin
SH3_1
SspB
SWIB
TPR_1
Trypsin
V-set
VHS
Vinculin
WH1
more tags
PDB Keywords
acute phase
alternative splicing
apoptosis
atp-binding
blood clotting
blood coagulation
calcium
camp
cleavage on pair of basic residues
cytoplasm
disease mutation
dna-binding
gamma-carboxyglutamic acid
glycoprotein
hiv
host-virus interaction
Hydrolase
Immune response
immune system
Immunoglobulin domain
inhibitor
kinase
kringle
membrane
Metal-binding
mhc
Mhc i
Nuclear receptor
nucleotide-binding
nucleus
phosphoprotein
phosphorylation
polymorphism
Protease
protein-peptide complex
pyrrolidone carboxylic acid
receptor
secreted
serine/threonine-protein kinase
serine protease
signaling protein
thrombin
Transcription
Transcription regulation
transferase
transmembrane
ubl conjugation
zinc
zinc-finger
zymogen
more tags