Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain8055636 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054703 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain8034737 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054705 3000071 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054547 3000071 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054739 3000071 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054493 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AC1-set_2e3t0eA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
AMHC_II_alphae3t0eA2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: MHC_II_alphaECOD (1.6)
BC1-set_2e3t0eB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
BMHC_II_betae3t0eB2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: MHC_II_betaECOD (1.6)
CDUF1968e3t0eC2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: DUF1968ECOD (1.6)
CV-set_3e3t0eC1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
DC1-sete3t0eD3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
DV-set_3e3t0eD4 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
EC2-sete3t0eE3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C2-setECOD (1.6)
ECD4-extracele3t0eE9 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: CD4-extracelECOD (1.6)
EV-set_9e3t0eE2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_9ECOD (1.6)

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-DRB1*0101 A1.5>S, peptide fused to II-ALPHA Homo sapiens (human) HLA-DRA*0101, HLA-DRA*0102 G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_PEPTIDE-BETA IMGT (202414-0)
MH2 HLA-DRA*0101_HLA-DRB1*0101 A1.5>S, peptide fused to PEPTIDE-II-BETA Homo sapiens (human) HLA-DRB1*0401 G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_PEPTIDE-BETA IMGT (202414-0)
N-terminus of G-BETA TR-ALPHA Homo sapiens (human) TRAV26-2*01, TRAJ32*01, TRAC*01 V-DOMAIN V-ALPHA, C-DOMAIN C-ALPHA TR TR-ALPHA_BETA-2 IMGT (202414-0)
N-terminus of G-BETA TR-BETA-2 Homo sapiens (human) TRBV20-1*01, TRBJ1-6*01, TRBJ1-6*02, TRBC2*01, TRBC2*02 V-DOMAIN V-BETA, C-DOMAIN C-BETA-2 TR TR-ALPHA_BETA-2 IMGT (202414-0)
TR 1V-1C-1V-1C-LIKE Homo sapiens (human) CD4 V-LIKE-DOMAIN V-LIKE, C-LIKE-DOMAIN C-LIKE RPI 1V-1C-1V-1C-LIKE IMGT (202414-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domain- Domain
PF00969Class II histocompatibility antigen, beta domain (MHC_II_beta)Class II histocompatibility antigen, beta domain- Domain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
PF09291Domain of unknown function (DUF1968) (DUF1968)Domain of unknown function (DUF1968)Members of this family are found in mammalian T-cell antigen receptor, and adopt an immunoglobulin-like beta-sandwich fold, with seven strands in two beta-sheets in a Greek-key topology. Their exact function has not, as yet, been determined.Domain
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
PF05790Immunoglobulin C2-set domain (C2-set)Immunoglobulin C2-set domain- Domain
PF00047Immunoglobulin domain (ig)Immunoglobulin domainMembers of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prot ...Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-protein and protein-ligand interactions.
Domain
PF09191CD4, extracellular (CD4-extracel)CD4, extracellularMembers of this family adopt an immunoglobulin-like beta-sandwich, with seven strands in 2 beta sheets, in a Greek key topology. They are predominantly found in the extracellular portion of CD4 proteins, where they enable interaction with major histo ...Members of this family adopt an immunoglobulin-like beta-sandwich, with seven strands in 2 beta sheets, in a Greek key topology. They are predominantly found in the extracellular portion of CD4 proteins, where they enable interaction with major histocompatibility complex class II antigens [1].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
HLA class II histocompatibility antigen, DR alpha chain
HLA class II histocompatibility antigen, DRB1-4 beta chain
T-cell receptor alpha chain-
T-cell receptor beta chain-
T-cell surface glycoprotein CD4

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
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
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
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
IPR003597Immunoglobulin C1-setDomain
IPR000353MHC class II, beta chain, N-terminalDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR015370T-cell receptor alpha chain, constant domainDomain
IPR003597Immunoglobulin C1-setDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR007110Immunoglobulin-like domainDomain
IPR021963T cell CD4 receptor C-terminal regionDomain
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
IPR013106Immunoglobulin V-set domainDomain
IPR000973T-cell surface antigen CD4Family
IPR008424Immunoglobulin C2-setDomain
IPR015274CD4, extracellularDomain
IPR013783Immunoglobulin-like foldHomologous Superfamily
IPR013151ImmunoglobulinDomain
IPR007110Immunoglobulin-like domainDomain
IPR003599Immunoglobulin subtypeDomain
IPR003598Immunoglobulin subtype 2Domain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP01903
PharosP01911
PharosP01848
PharosA0A5B9
PharosP01730