Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
C [auth A]SCOP2B SuperfamilySARS coronavirus receptor-binding domain-like 8092467 3001706 SCOP2B (2022-06-29)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV1 -spike protein s1SAbDab (2025-01-24)
A [auth L]Light ChainIGLV1 Lambdaspike protein s1SAbDab (2025-01-24)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B [auth H]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
B [auth H]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain
C [auth A]PF09408Betacoronavirus spike glycoprotein S1, receptor binding (bCoV_S1_RBD)Betacoronavirus spike glycoprotein S1, receptor bindingThis entry represents the receptor binding domain (S1 RBD) of the betacoronavirus spike glycoprotein. The spike glycoprotein is arranged in trimers on the surface of the viral membrane and is essential for viral entry. The spike protein is transla ...Domain
A [auth L]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B [auth H]SKD Fab heavy chain-
C [auth A]Spike protein S1
A [auth L]SKD Fab Light chain

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B [auth H]IPR003597Immunoglobulin C1-setDomain
B [auth H]IPR013783Immunoglobulin-like foldHomologous Superfamily
B [auth H]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B [auth H]IPR013106Immunoglobulin V-set domainDomain
B [auth H]IPR003599Immunoglobulin domain subtypeDomain
B [auth H]IPR007110Immunoglobulin-like domainDomain
B [auth H]IPR050380Immune Recognition and Response ModulatorsFamily
B [auth H]IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site
C [auth A]IPR044873Spike glycoprotein S2, coronavirus, heptad repeat 1Domain
C [auth A]IPR044366Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2Domain
C [auth A]IPR018548Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirusDomain
C [auth A]IPR044341Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-likeDomain
C [auth A]IPR032500Spike glycoprotein S1, N-terminal domain, betacoronavirus-likeDomain
C [auth A]IPR042578Spike glycoprotein, betacoronavirusFamily
C [auth A]IPR036326Spike S1 subunit, receptor binding domain superfamily, betacoronavirusHomologous Superfamily
C [auth A]IPR043002Spike glycoprotein, N-terminal domain superfamilyHomologous Superfamily
C [auth A]IPR044874Spike glycoprotein S2, coronavirus, heptad repeat 2Domain
C [auth A]IPR043473Spike glycoprotein S2 superfamily, coronavirusHomologous Superfamily
C [auth A]IPR043607Coronavirus spike glycoprotein S1, C-terminalDomain
C [auth A]IPR002552Spike glycoprotein S2, coronavirusDomain
A [auth L]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A [auth L]IPR050160Major Histocompatibility Complex/ImmunoglobulinFamily
A [auth L]IPR003597Immunoglobulin C1-setDomain
A [auth L]IPR013783Immunoglobulin-like foldHomologous Superfamily
A [auth L]IPR007110Immunoglobulin-like domainDomain
A [auth L]IPR003006Immunoglobulin/major histocompatibility complex, conserved siteConserved Site