8FXB

SARS-CoV-2 XBB.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
C [auth A]SCOP2B SuperfamilyMetalloproteases (zincins), catalytic domain 8037105 3001975 SCOP2B (2022-06-29)
D [auth E]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
A [auth L]Light ChainIGKV3 Kappaspike protein s1SAbDab (2025-02-07)
B [auth H]Heavy ChainIGHV1 -spike protein s1SAbDab (2025-02-07)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
A [auth L] Sotrovimab SARS-CoV-2 Spike RBDTherapeutic SAbDab (2025-02-07)
B [auth H] Sotrovimab SARS-CoV-2 Spike RBDTherapeutic SAbDab (2025-02-07)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
C [auth A]PF01401Angiotensin-converting enzyme (Peptidase_M2)Angiotensin-converting enzyme- Family
D [auth E]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 translat ...Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth L]S309 Light chain---
B [auth H]S309 Heavy chain---
C [auth A]Processed angiotensin-converting enzyme 2
D [auth E]Spike protein S1