1HQR | pdb_00001hqr

CRYSTAL STRUCTURE OF A SUPERANTIGEN BOUND TO THE HIGH-AFFINITY, ZINC-DEPENDENT SITE ON MHC CLASS II


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
DSCOP2B SuperfamilySuperantigen toxins C-terminal domain-like 8034586 3000376 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyBacterial enterotoxins 8041885 3000434 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain 8034732 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054697 3000071 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054671 3000071 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMHC antigen-recognition domain 8040455 3000521 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DCpn10e1hqrD1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Cpn10ECOD (v294.1)
DS4e1hqrD2 A: a/b three-layered sandwichesX: ETN0001 domain-likeH: ETN0001 domain-likeT: Mss4-likeF: S4ECOD (v294.1)
BCopper-binde1hqrB1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Copper-bindECOD (v294.1)
BDNA_pol_B_exo1e1hqrB2 A: a/b three-layered sandwichesX: P-loop domains-likeH: Hemagglutinin HA2 chainT: Hemagglutinin HA2 chainF: DNA_pol_B_exo1ECOD (v294.1)
ACopper-binde1hqrA1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Copper-bindECOD (v294.1)
AMHC_I_3e1hqrA2 A: a/b three-layered sandwichesX: ETN0001 domain-likeH: ETN0001 domain-likeT: Mss4-likeF: MHC_I_3ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
MH2 HLA-DRA*0101_HLA-DRB5*0101 II-BETA Homo sapiens (human) HLA-DRB5*0101 G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202611-0)
MH2 HLA-DRA*0101_HLA-DRB5*0101 II-ALPHA Homo sapiens (human) HLA-DRA*0101, HLA-DRA*0102 G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202611-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00969Class II histocompatibility antigen, beta domain (MHC_II_beta)Class II histocompatibility antigen, beta domainDomain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domainDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
STREPTOCOCCAL PYROGENIC EXOTOXIN C -
MYELIN BASIC PROTEIN
HLA-DR BETA CHAIN
HLA-DR ALPHA CHAIN

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR006123Staphylococcal/Streptococcal toxin, beta-grasp domainDomain
IPR006177Staphylococcal/streptococcal toxin, bacterialFamily
IPR006126Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved siteConserved Site
IPR016091Superantigen toxin, C-terminalHomologous Superfamily
IPR006173Staphylococcal/Streptococcal toxin, OB-foldDomain
IPR013307Superantigen, staphylococcal/streptococcal toxin, bacterialFamily
IPR008992EnterotoxinHomologous Superfamily
IPR000548Myelin basic proteinFamily
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
IPR003597Immunoglobulin C1-setDomain
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
IPR000353MHC class II, beta chain, N-terminalDomain
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
IPR003597Immunoglobulin C1-setDomain
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR001003MHC class II, alpha chain, N-terminalDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP02686
PharosQ30154
PharosP01903