Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054611 3000071 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMHC antigen-recognition domain 8036210 3000521 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMHC antigen-recognition domain 8036210 3000521 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054611 3000071 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054571 3000071 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054571 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AC1-set_2e2zsvA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
AMHC_Ie2zsvA2 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)
CC1-set_2e2zsvC1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
CMHC_Ie2zsvC2 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)
BC1-set_2e2zsvB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (1.6)
DC1-set_2e2zsvD1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_2ECOD (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, C
MH1-K1b (H2-K1b) I-ALPHA Mus musculus (house mouse) MH1-K1b G-DOMAIN G-ALPHA1, G-DOMAIN G-ALPHA2, C-LIKE-DOMAIN C-LIKE MH MH1-ALPHA_B2M IMGT (202450-0)
B, D
MH1-K1b (H2-K1b) B2M Mus musculus (house mouse) B2M*01 C-LIKE-DOMAIN C-LIKE MH MH1-ALPHA_B2M IMGT (202450-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C
PF00129Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)Class I Histocompatibility antigen, domains alpha 1 and 2- Domain
A, C
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
B, D
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, C
H-2 class I histocompatibility antigen, K-B alpha chain
B, D
Beta-2-microglobulin
E, F
8-mer peptide from spike glycoprotein-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, C
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A, C
IPR050208Antigen-presenting and immune regulatory MHC class I-relatedFamily
A, C
IPR037055MHC class I-like antigen recognition-like superfamilyHomologous Superfamily
A, C
IPR003597Immunoglobulin C1-setDomain
A, C
IPR010579MHC class I, alpha chain, C-terminalDomain
A, C
IPR013783Immunoglobulin-like foldHomologous Superfamily
A, C
IPR011161MHC class I-like antigen recognition-likeDomain
A, C
IPR011162MHC classes I/II-like antigen recognition proteinHomologous Superfamily
A, C
IPR007110Immunoglobulin-like domainDomain
A, C
IPR001039MHC class I alpha chain, alpha1 alpha2 domainsDomain
A, C
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
B, D
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B, D
IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
B, D
IPR003597Immunoglobulin C1-setDomain
B, D
IPR015707Beta-2-MicroglobulinFamily
B, D
IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
B, D
IPR013783Immunoglobulin-like foldHomologous Superfamily
B, D
IPR007110Immunoglobulin-like domainDomain
E, F
IPR018548Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirusDomain
E, F
IPR032500Spike glycoprotein S1, N-terminal domain, betacoronavirus-likeDomain
E, F
IPR042578Spike glycoprotein, betacoronavirusFamily
E, F
IPR036326Spike S1 subunit, receptor binding domain superfamily, betacoronavirusHomologous Superfamily
E, F
IPR043002Spike glycoprotein, N-terminal domain superfamilyHomologous Superfamily
E, F
IPR044339Spike (S) protein S1 subunit, N-terminal domain, murine hepatitis virus-likeDomain
E, F
IPR044874Spike glycoprotein S2, coronavirus, heptad repeat 2Domain
E, F
IPR043614Spike glycoprotein S2, coronavirus, C-terminalDomain
E, F
IPR044873Spike glycoprotein S2, coronavirus, heptad repeat 1Domain
E, F
IPR043473Spike glycoprotein S2 superfamily, coronavirusHomologous Superfamily
E, F
IPR043607Coronavirus spike glycoprotein S1, C-terminalDomain
E, F
IPR002552Spike glycoprotein S2, coronavirusDomain

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
E, F
ABA Parent Component: ALA

RESIDAA0253 , AA0409

PSI-MOD :  S-(2-aminovinyl)-3-methyl-D-cysteine MOD:00258 , L-2-aminobutanoic acid (Glu) MOD:00819