Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Gd1aqdg1 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)
Gd1aqdg2 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)
Ad1aqda1 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)
Ad1aqda2 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)
Dd1aqdd1 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)
Dd1aqdd2 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)
Jd1aqdj1 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)
Jd1aqdj2 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)
Bd1aqdb1 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)
Bd1aqdb2 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)
Ed1aqde1 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)
Ed1aqde2 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)
Hd1aqdh1 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)
Hd1aqdh2 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)
Kd1aqdk1 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)
Kd1aqdk2 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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
GSCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
JSCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
JSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 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)
ESCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054703 3000071 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyMHC antigen-recognition domain8055636 3000521 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyMHC antigen-recognition domain8034737 3000521 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054705 3000071 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054703 3000071 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyMHC antigen-recognition domain8055636 3000521 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyMHC antigen-recognition domain8034737 3000521 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054705 3000071 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054705 3000071 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyMHC antigen-recognition domain8055636 3000521 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyMHC antigen-recognition domain8034737 3000521 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054703 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
GC1-set_2e1aqdG1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
GMHC_II_alphae1aqdG2 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)
AC1-set_2e1aqdA1 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_alphae1aqdA2 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)
DC1-set_2e1aqdD1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
DMHC_II_alphae1aqdD2 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)
JC1-set_2e1aqdJ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
JMHC_II_alphae1aqdJ2 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_2e1aqdB1 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_betae1aqdB2 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)
EC1-set_2e1aqdE1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
EMHC_II_betae1aqdE2 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)
HC1-set_2e1aqdH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
HMHC_II_betae1aqdH2 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)
KC1-set_2e1aqdK1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
KMHC_II_betae1aqdK2 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)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
G3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
G2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
J3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
J2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
H3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
H2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
K3.10.320.10 Alpha Beta Roll Class II Histocompatibility Antigen, M Beta Chain Chain B, domain 1CATH (4.3.0)
K2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A, D, G, J
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 (202415-0)
B, E, H, K
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 (202415-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, D, G, J
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
A, D, G, J
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domain- Domain
B, E, H, K
PF00969Class II histocompatibility antigen, beta domain (MHC_II_beta)Class II histocompatibility antigen, beta domain- Domain
B, E, H, K
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
C, F, I, L
PF00129Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)Class I Histocompatibility antigen, domains alpha 1 and 2- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, D, G, J
HLA-DR1 CLASS II HISTOCOMPATIBILITY PROTEIN
B, E, H, K
HLA-DR1 CLASS II HISTOCOMPATIBILITY PROTEIN
C, F, I, L
HLA-A2

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, D, G, J
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A, D, G, J
IPR003597Immunoglobulin C1-setDomain
A, D, G, J
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
A, D, G, J
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
A, D, G, J
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
A, D, G, J
IPR013783Immunoglobulin-like foldHomologous Superfamily
A, D, G, J
IPR007110Immunoglobulin-like domainDomain
A, D, G, J
IPR001003MHC class II, alpha chain, N-terminalDomain
B, E, H, K
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B, E, H, K
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
B, E, H, K
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
B, E, H, K
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
B, E, H, K
IPR013783Immunoglobulin-like foldHomologous Superfamily
B, E, H, K
IPR007110Immunoglobulin-like domainDomain
B, E, H, K
IPR003597Immunoglobulin C1-setDomain
B, E, H, K
IPR000353MHC class II, beta chain, N-terminalDomain
C, F, I, L
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
C, F, I, L
IPR010579MHC class I, alpha chain, C-terminalDomain
C, F, I, L
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
C, F, I, L
IPR001039MHC class I alpha chain, alpha1 alpha2 domainsDomain
C, F, I, L
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
C, F, I, L
IPR013783Immunoglobulin-like foldHomologous Superfamily
C, F, I, L
IPR007110Immunoglobulin-like domainDomain
C, F, I, L
IPR003597Immunoglobulin C1-setDomain
C, F, I, L
IPR011161MHC class I-like antigen recognition-likeDomain
C, F, I, L
IPR037055MHC class I-like antigen recognition-like superfamilyHomologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A, D, G, J
PharosP01903
B, E, H, K
PharosP01911
C, F, I, L
PharosP04439