2IAM | pdb_00002iam

Structural basis for recognition of mutant self by a tumor-specific, MHC class II-restricted TCR


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad2iama1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Class II MHC alpha chain, C-terminal domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ad2iama2 Alpha and beta proteins (a+b) MHC antigen-recognition domain MHC antigen-recognition domain MHC antigen-recognition domain Class II MHC alpha chain, N-terminal domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Bd2iamb1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Class II MHC beta chain, C-terminal domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Bd2iamb2 Alpha and beta proteins (a+b) MHC antigen-recognition domain MHC antigen-recognition domain MHC antigen-recognition domain Class II MHC beta chain, N-terminal domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
D [auth C]d2iamc2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
D [auth C]d2iamc1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
E [auth D]d2iamd2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
E [auth D]d2iamd1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyMHC antigen-recognition domain 8040455 3000521 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054671 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain 8055636 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMHC antigen-recognition domain 8034737 3000521 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054705 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054703 3000071 SCOP2B (2022-06-29)
D [auth C]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054547 3000071 SCOP2B (2022-06-29)
E [auth D]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054555 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AC1-set_2e2iamA1 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_alphae2iamA2 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_2e2iamB1 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_betae2iamB2 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)
D [auth C]DUF1968e2iamC2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: DUF1968ECOD (1.6)
D [auth C]V-set_3e2iamC1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
E [auth D]C1-sete2iamD3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
E [auth D]V-set_3e2iamD4 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
MH2 HLA-DRA*0101_HLA-DRB1*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 (202512-0)
MH2 HLA-DRA*0101_HLA-DRB1*0101 II-BETA Homo sapiens (human) HLA-DRB1*0101 G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202512-0)
D [auth C]TR E8 TR-ALPHA Homo sapiens (human) TRAV22*01, TRAJ54*01, TRAC*01 V-DOMAIN V-ALPHA, C-DOMAIN C-ALPHA TR TR-ALPHA_BETA-1 IMGT (202512-0)
E [auth D]TR E8 TR-BETA-1 Homo sapiens (human) TRBV6-6*01, TRBJ1-3*01, TRBC1*01, TRBC1*02 V-DOMAIN V-BETA, C-DOMAIN C-BETA-1 TR TR-ALPHA_BETA-1 IMGT (202512-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
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
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
D [auth C]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 D]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain

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, DRB1-1 beta chain
C [auth P]15-mer peptide from Triosephosphate isomerase
D [auth C]CD4+ T cell receptor E8 alpha chain-
E [auth D]CD4+ T cell receptor E8 beta chain-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
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
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
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
IPR003597Immunoglobulin C1-setDomain
IPR000353MHC class II, beta chain, N-terminalDomain
C [auth P]IPR035990Triosephosphate isomerase superfamilyHomologous Superfamily
C [auth P]IPR000652Triosephosphate isomeraseFamily
C [auth P]IPR020861Triosephosphate isomerase, active siteActive Site
C [auth P]IPR013785Aldolase-type TIM barrelHomologous Superfamily
C [auth P]IPR022896Triosephosphate isomerase, bacterial/eukaryoticFamily
D [auth C]IPR013783Immunoglobulin-like foldHomologous Superfamily
D [auth C]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
D [auth C]IPR015370T-cell receptor alpha chain, constant domainDomain
E [auth D]IPR003597Immunoglobulin C1-setDomain
E [auth D]IPR013783Immunoglobulin-like foldHomologous Superfamily
E [auth D]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
E [auth D]IPR007110Immunoglobulin-like domainDomain
E [auth D]IPR050380Immune Recognition and Response ModulatorsFamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP01903
PharosP01911
C [auth P]PharosP60174
D [auth C]PharosP01848