Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054705 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 8054703 3000071 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyMHC antigen-recognition domain 8034737 3000521 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054705 3000071 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyMHC antigen-recognition domain 8055636 3000521 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054703 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)
FSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054671 3000071 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyMHC antigen-recognition domain 8040455 3000521 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BC1-set_2e6cqrB1 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_betae6cqrB2 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)
GC1-set_2e6cqrG2 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_betae6cqrG3 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)
DDUF1968e6cqrD1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: DUF1968ECOD (1.6)
DV-set_3e6cqrD2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
IDUF1968e6cqrI1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: DUF1968ECOD (1.6)
IV-set_3e6cqrI2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
EC1-sete6cqrE2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
EV-set_3e6cqrE1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
JC1-sete6cqrJ2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
JV-set_3e6cqrJ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
AC1-set_2e6cqrA2 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_alphae6cqrA1 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)
FC1-set_2e6cqrF1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
FMHC_II_alphae6cqrF2 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)

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
B, G
MH2 HLA-DR1 II-BETA Homo sapiens (human) HLA-DRB1*0101 G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE MH MH2-ALPHA_BETA IMGT (202444-0)
D, I
TR F24 TR-ALPHA Homo sapiens (human) TRAV24*01, TRAJ17*01, TRAC*01 V-DOMAIN V-ALPHA, C-DOMAIN C-ALPHA TR TR-ALPHA_BETA-2 IMGT (202444-0)
E, J
TR F24 TR-BETA-2 Homo sapiens (human) TRBV2*01, TRBV2*03, TRBJ2-1*01, TRBC2*01, TRBC2*02 V-DOMAIN V-BETA, C-DOMAIN C-BETA-2 TR TR-ALPHA_BETA-2 IMGT (202444-0)
A, F
MH2 HLA-DR1 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 (202444-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B, G
PF00969Class II histocompatibility antigen, beta domain (MHC_II_beta)Class II histocompatibility antigen, beta domain- Domain
B, G
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
D, I
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
E, J
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
A, F
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
A, F
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B, G
HLA class II histocompatibility antigen, DRB1-1 beta chain
C, H
Peptide from Capsid protein p24
D, I
F24 alpha chain-
E, J
F24 beta chain-
A, F
HLA class II histocompatibility antigen, DR alpha chain

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B, G
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B, G
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
B, G
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
B, G
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
B, G
IPR013783Immunoglobulin-like foldHomologous Superfamily
B, G
IPR007110Immunoglobulin-like domainDomain
B, G
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
B, G
IPR003597Immunoglobulin C1-setDomain
B, G
IPR000353MHC class II, beta chain, N-terminalDomain
C, H
IPR036397Ribonuclease H superfamilyHomologous Superfamily
C, H
IPR043128Reverse transcriptase/Diguanylate cyclase domainHomologous Superfamily
C, H
IPR001995Peptidase A2A, retrovirus, catalyticDomain
C, H
IPR001878Zinc finger, CCHC-typeDomain
C, H
IPR008919Retrovirus capsid, N-terminalHomologous Superfamily
C, H
IPR012344Matrix protein, lentiviral and alpha-retroviral, N-terminalHomologous Superfamily
C, H
IPR036862Integrase, C-terminal domain superfamily, retroviralHomologous Superfamily
C, H
IPR018061RetropepsinsDomain
C, H
IPR010661Reverse transcriptase thumbDomain
C, H
IPR002156Ribonuclease H domainDomain
C, H
IPR036875Zinc finger, CCHC-type superfamilyHomologous Superfamily
C, H
IPR003308Integrase, N-terminal zinc-binding domainDomain
C, H
IPR001584Integrase, catalytic coreDomain
C, H
IPR045345Retroviral nucleocapsid Gag protein p24, C-terminal domainDomain
C, H
IPR010999Retroviral matrix proteinHomologous Superfamily
C, H
IPR021109Aspartic peptidase domain superfamilyHomologous Superfamily
C, H
IPR001969Aspartic peptidase, active siteActive Site
C, H
IPR012337Ribonuclease H-like superfamilyHomologous Superfamily
C, H
IPR017856Integrase-like, N-terminalHomologous Superfamily
C, H
IPR000071Immunodeficiency lentiviral matrix, N-terminalDomain
C, H
IPR043502DNA/RNA polymerase superfamilyHomologous Superfamily
C, H
IPR001037Integrase, C-terminal, retroviralDomain
C, H
IPR034170Retropepsin-like catalytic domainDomain
C, H
IPR000477Reverse transcriptase domainDomain
C, H
IPR010659Reverse transcriptase connectionDomain
C, H
IPR008916Retrovirus capsid, C-terminalHomologous Superfamily
D, I
IPR051006T cell receptor variable domainFamily
D, I
IPR013783Immunoglobulin-like foldHomologous Superfamily
D, I
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
D, I
IPR013106Immunoglobulin V-set domainDomain
D, I
IPR007110Immunoglobulin-like domainDomain
E, J
IPR003597Immunoglobulin C1-setDomain
E, J
IPR013783Immunoglobulin-like foldHomologous Superfamily
E, J
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
E, J
IPR007110Immunoglobulin-like domainDomain
E, J
IPR050380Immune Recognition and Response ModulatorsFamily
A, F
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A, F
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
A, F
IPR003597Immunoglobulin C1-setDomain
A, F
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
A, F
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
A, F
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
A, F
IPR013783Immunoglobulin-like foldHomologous Superfamily
A, F
IPR007110Immunoglobulin-like domainDomain
A, F
IPR001003MHC class II, alpha chain, N-terminalDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
B, G
PharosP01911
D, I
PharosA0A0B4J272
E, J
PharosA0A5B9
A, F
PharosP01903