Annotations: 8SAR

CryoEM structure of DH270.6-CH848.10.17

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
I [auth K]	SCOP2B Superfamily	gp120 core	8096572	3001390	SCOP2B (2022-06-29)
E [auth F]	SCOP2B Superfamily	gp120 core	8096572	3001390	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	gp120 core	8096572	3001390	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L [auth N]	UBA	e8sarN1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
H [auth I]	UBA	e8sarI1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
D	UBA	e8sarD1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
K [auth M]	UBA	e8sarM1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
G [auth H]	UBA	e8sarH1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
C	UBA	e8sarC1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
J [auth L]	UBA	e8sarL1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
F [auth G]	UBA	e8sarG1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
B	UBA	e8sarB1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
I [auth K]	UBA	e8sarK1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
E [auth F]	UBA	e8sarF1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
A	UBA	e8sarA1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
H [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
K [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
G [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D, H [auth I], L [auth N]	Light Chain	IGLV2	Lambda	ch848.10.17 gp120	SAbDab (2026-05-08)
C, G [auth H], K [auth M]	Heavy Chain	IGHV1	-	ch848.10.17 gp120	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, H [auth I], L [auth N]	DH270.6 variable light chain	-	-	-
C, G [auth H], K [auth M]	DH270.6 variable heavy chain	-	-	-
B, F [auth G], J [auth L]	CH848.10.17 gp41	-	-	-
A, E [auth F], I [auth K]	CH848.10.17 gp120	structural molecule activity	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis regulation of localization regulation of biological process cellular localization regulation of cellular process regulation of protein localization viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis regulation of localization regulation of biological process cellular localization regulation of cellular process regulation of protein localization positive regulation of receptor clustering biological regulation positive regulation of biological process positive regulation of protein localization to membrane localization within membrane protein localization to membrane localization regulation of cellular localization macromolecule localization receptor clustering positive regulation of protein localization intracellular protein localization regulation of receptor clustering regulation of protein localization to membrane positive regulation of cellular process virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction plasma membrane raft distribution regulation of cellular component organization positive regulation of cellular component organization plasma membrane raft polarization plasma membrane organization membrane raft organization endomembrane system organization membrane raft distribution plasma membrane raft localization membrane raft polarization regulation of plasma membrane raft polarization membrane raft localization regulation of plasma membrane organization positive regulation of plasma membrane raft polarization import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell viral gene expression viral protein processing symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host process modulation of process of another organism	cellular anatomical structure membrane virion component virion membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane other organism part host cell cytoplasm part host intracellular organelle host cell endosome membrane host cell cytoplasm host cell part cellular anatomical structure membrane virion component virion membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane other organism part host cell cytoplasm part host intracellular organelle host cell endosome membrane host cell cytoplasm host cell part host cell endosome host intracellular region viral membrane viral envelope host cell plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, E [auth F], I [auth K]	IPR000777	Human immunodeficiency virus 1, envelope glycoprotein Gp120	Domain
A, E [auth F], I [auth K]	IPR036377	Gp120 core superfamily	Homologous Superfamily
A, E [auth F], I [auth K]	IPR000328	Retroviral envelope protein GP41-like	Domain
A, E [auth F], I [auth K]	IPR037527	Envelope glycoprotein Gp160	Family

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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.