Annotations: 9BGE

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	MIT	e9bgeB01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: MIT	ECOD (v294.1)
D [auth E]	MIT	e9bgeE01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: MIT	ECOD (v294.1)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D [auth E], F [auth G], H [auth L]	Light Chain	IGKV8	Kappa	426c.wito.tm.sosip	SAbDab (2026-04-17)
C [auth D], E [auth F], G [auth H]	Heavy Chain	IGHV1	-	426c.wito.tm.sosip	SAbDab (2026-04-17)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth C], I [auth A]	426c.WITO.TM.SOSIP	-	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host cellular process clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane host intracellular membrane-bounded organelle host intracellular part host cell cytoplasm part host intracellular organelle virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane host intracellular membrane-bounded organelle host intracellular part host cell cytoplasm part host intracellular organelle host cell endosome membrane host cell cytoplasm host cell endosome host intracellular region
D [auth E], F [auth G], H [auth L]	Fv domain of light chain of mAb 8-24	-	-	-
C [auth D], E [auth F], G [auth H]	Fv domain of heavy chain of mAb 8-24	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth C], I [auth A]	IPR000777	Human immunodeficiency virus 1, envelope glycoprotein Gp120	Domain
A [auth B], B [auth C], I [auth A]	IPR036377	Gp120 core superfamily	Homologous Superfamily
A [auth B], B [auth C], I [auth A]	IPR000328	Retroviral envelope protein GP41-like	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.