Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like8054671 3000071 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyMHC antigen-recognition domain8040455 3000521 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPF07654e8cmiB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
BPF00969e8cmiB2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00969ECOD (1.6)
EPF07654e8cmiE2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
EPF00969e8cmiE1 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00969ECOD (1.6)
HPF07654e8cmiH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
HPF00969e8cmiH2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00969ECOD (1.6)
APF07654e8cmiA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
APF00993e8cmiA2 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00993ECOD (1.6)
DPF07654e8cmiD2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
DPF00993e8cmiD1 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00993ECOD (1.6)
GPF07654e8cmiG2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07654ECOD (1.6)
GPF00993e8cmiG1 A: a+b two layersX: MHC antigen-recognition domain (From Topology)H: MHC antigen-recognition domain (From Topology)T: MHC antigen-recognition domainF: PF00993ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, D, G
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
A, D, G
PF00993Class II histocompatibility antigen, alpha domain (MHC_II_alpha)Class II histocompatibility antigen, alpha domain- Domain
C, F, I
PF01601Coronavirus spike glycoprotein S2 (CoV_S2)Coronavirus spike glycoprotein S2- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B, E, H
Human leukocyte antigen DR beta chain allotype DR1 (DRB1*0101)-
A, D, G
HLA class II histocompatibility antigen, DR alpha chain
C, F, I
Spike protein S2'

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B, E, H
IPR000353MHC class II, beta chain, N-terminalDomain
B, E, H
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B, E, H
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
B, E, H
IPR003597Immunoglobulin C1-setDomain
B, E, H
IPR013783Immunoglobulin-like foldHomologous Superfamily
B, E, H
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
B, E, H
IPR007110Immunoglobulin-like domainDomain
B, E, H
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
A, D, G
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A, D, G
IPR003597Immunoglobulin C1-setDomain
A, D, G
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
A, D, G
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
A, D, G
IPR014745MHC class II, alpha/beta chain, N-terminalHomologous Superfamily
A, D, G
IPR013783Immunoglobulin-like foldHomologous Superfamily
A, D, G
IPR007110Immunoglobulin-like domainDomain
A, D, G
IPR001003MHC class II, alpha chain, N-terminalDomain
C, F, I
IPR044873Spike glycoprotein S2, coronavirus, heptad repeat 1Domain
C, F, I
IPR044366Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2Domain
C, F, I
IPR018548Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirusDomain
C, F, I
IPR044341Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-likeDomain
C, F, I
IPR032500Spike glycoprotein S1, N-terminal domain, betacoronavirus-likeDomain
C, F, I
IPR042578Spike glycoprotein, betacoronavirusFamily
C, F, I
IPR036326Spike S1 subunit, receptor binding domain superfamily, betacoronavirusHomologous Superfamily
C, F, I
IPR043002Spike glycoprotein, N-terminal domain superfamilyHomologous Superfamily
C, F, I
IPR044874Spike glycoprotein S2, coronavirus, heptad repeat 2Domain
C, F, I
IPR043473Spike glycoprotein S2 superfamily, coronavirusHomologous Superfamily
C, F, I
IPR043607Coronavirus spike glycoprotein S1, C-terminalDomain
C, F, I
IPR002552Spike glycoprotein S2, coronavirusDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A, D, G
PharosP01903