Annotations: 8SAW

CryoEM structure of DH270.UCA.G57R-CH848.10.17DT

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	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	e8sawN1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
H [auth I]	UBA	e8sawI1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
D	UBA	e8sawD1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
K [auth M]	UBA	e8sawM1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
G [auth H]	UBA	e8sawH1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
C	UBA	e8sawC1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
J [auth L]	UBA	e8sawL1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
F	UBA	e8sawF1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
B	UBA	e8sawB1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
I [auth K]	UBA	e8sawK1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
E	UBA	e8sawE1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)
A	UBA	e8sawA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: UBA	ECOD (v295.2)

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	ch848.3.d0949.10.17chim.6r.sosip.664 gp120a	SAbDab (2026-08-21)
C, G [auth H], K [auth M]	Heavy Chain	IGHV1	-	ch848.3.d0949.10.17chim.6r.sosip.664 gp120a	SAbDab (2026-08-21)

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.UCA. G57R light chain	-	-	cell periphery cellular anatomical structure plasma membrane membrane extracellular region
C, G [auth H], K [auth M]	DH270.UCA. G57R heavy chain	-	-	cell periphery cellular anatomical structure plasma membrane membrane extracellular region
B, F, J [auth L]	CH848.3.D0949.10.17chim.6R.SOSIP.664 gp41	structural molecule activity	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 symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host process modulation of process of another organism	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
A, E, I [auth K]	CH848.3.D0949.10.17chim.6R.SOSIP.664 gp120A	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
D, H [auth I], L [auth N]	IPR050150	Immunoglobulin Variable Light Chain	Family
D, H [auth I], L [auth N]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D, H [auth I], L [auth N]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D, H [auth I], L [auth N]	IPR013106	Immunoglobulin V-set domain	Domain
D, H [auth I], L [auth N]	IPR003599	Immunoglobulin domain subtype	Domain
D, H [auth I], L [auth N]	IPR007110	Immunoglobulin-like domain	Domain
C, G [auth H], K [auth M]	IPR050199	Immunoglobulin Heavy Variable	Family
C, G [auth H], K [auth M]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C, G [auth H], K [auth M]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C, G [auth H], K [auth M]	IPR013106	Immunoglobulin V-set domain	Domain
C, G [auth H], K [auth M]	IPR003599	Immunoglobulin domain subtype	Domain
C, G [auth H], K [auth M]	IPR007110	Immunoglobulin-like domain	Domain
B, F, J [auth L]	IPR000328	Retroviral envelope protein GP41-like	Domain
A, E, I [auth K]	IPR000777	Human immunodeficiency virus 1, envelope glycoprotein Gp120	Domain
A, E, I [auth K]	IPR036377	Gp120 core superfamily	Homologous Superfamily
A, E, I [auth K]	IPR000328	Retroviral envelope protein GP41-like	Domain
A, E, 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.