Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth H]SCOP2B SuperfamilyMHC antigen-recognition domain8033653 3000521 SCOP2B (2022-06-29)
A [auth H]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054579 3000071 SCOP2B (2022-06-29)
B [auth L]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8003766 3000071 SCOP2B (2022-06-29)
D [auth A]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054547 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth H]C1-set_2e5nqkH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
A [auth H]MHC_Ie5nqkH2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: MHC_IECOD (1.6)
B [auth L]C1-set_2e5nqkL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
D [auth A]DUF1968e5nqkA2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: DUF1968ECOD (1.6)
D [auth A]V-set_4e5nqkA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_4ECOD (1.6)
E [auth B]C1-sete5nqkB2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
E [auth B]V-set_3e5nqkB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (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
A [auth H]MH1 HLA-A2 I-ALPHA Homo sapiens (human) HLA-A*0201, HLA-A*0203, HLA-A*0204, HLA-A*0207, HLA-A*0209, HLA-A*0212, HLA-A*0213, HLA-A*0216, HLA-A*0217, HLA-A*0218, HLA-A*0222, HLA-A*0224, HLA-A*0226, HLA-A*0233, HLA-A*0266, HLA-A*0289, HLA-A*0268, HLA-A*0265, HLA-A*0277, HLA-A*0260, HLA-A*9232, HLA-A*9234, HLA-A*9235 G-DOMAIN G-ALPHA1, G-DOMAIN G-ALPHA2 MH MH1-ALPHA_B2M IMGT (202415-0)
B [auth L]MH1 HLA-A2 B2M Homo sapiens (human) B2M*01, B2M*02 C-LIKE-DOMAIN C-LIKE MH MH1-ALPHA_B2M IMGT (202415-0)
D [auth A]TR 199.16 TR-ALPHA Homo sapiens (human) TRAV12-2*02, TRAJ45*01, TRAC*01 V-DOMAIN V-ALPHA, C-DOMAIN C-ALPHA TR TR-ALPHA_BETA-2 IMGT (202415-0)
E [auth B]TR 199.16 TR-BETA-2 Homo sapiens (human) TRBV19*01, TRBJ2-2*01, TRBC2*01, TRBC2*02 V-DOMAIN V-BETA, C-DOMAIN C-BETA-2 TR TR-ALPHA_BETA-2 IMGT (202415-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth H]PF00129Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)Class I Histocompatibility antigen, domains alpha 1 and 2- Domain
A [auth H]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
B [auth L]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
C [auth P]PF14991Protein melan-A (MLANA)Protein melan-A- Family
D [auth A]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
E [auth B]PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth H]HLA class I histocompatibility antigen, A-2 alpha chain
B [auth L]Beta-2-microglobulin
C [auth P]Melanoma antigen recognized by T-cells 1- -
D [auth A]T-cell receptor alpha variable 12-2,T-cell receptor alpha joining 45,T-cell receptor alpha chain C region-
E [auth B]T-cell receptor beta variable 19,TRB protein-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A [auth H]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A [auth H]IPR010579MHC class I, alpha chain, C-terminalDomain
A [auth H]IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
A [auth H]IPR001039MHC class I alpha chain, alpha1 alpha2 domainsDomain
A [auth H]IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
A [auth H]IPR013783Immunoglobulin-like foldHomologous Superfamily
A [auth H]IPR007110Immunoglobulin-like domainDomain
A [auth H]IPR003597Immunoglobulin C1-setDomain
A [auth H]IPR011161MHC class I-like antigen recognition-likeDomain
A [auth H]IPR037055MHC class I-like antigen recognition-like superfamilyHomologous Superfamily
B [auth L]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B [auth L]IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
B [auth L]IPR013783Immunoglobulin-like foldHomologous Superfamily
B [auth L]IPR007110Immunoglobulin-like domainDomain
B [auth L]IPR003597Immunoglobulin C1-setDomain
B [auth L]IPR015707Beta-2-MicroglobulinFamily
C [auth P]IPR029242Protein melan-AFamily
D [auth A]IPR013783Immunoglobulin-like foldHomologous Superfamily
D [auth A]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
D [auth A]IPR015370T-cell receptor alpha chain, constant domainDomain
E [auth B]IPR013783Immunoglobulin-like foldHomologous Superfamily
E [auth B]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
E [auth B]IPR013106Immunoglobulin V-set domainDomain
E [auth B]IPR007110Immunoglobulin-like domainDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A [auth H]PharosP04439
B [auth L]PharosP61769
C [auth P]PharosQ16655
D [auth A]PharosP01848
E [auth B]PharosA0A075B6N1