Annotations: 7T4G

The Envelope Glycoprotein SIVmac239.K180S SOSIP trimer in complex with 3 copies of the neutralizing antibody K11

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L [auth K]	AAA	e7t4gK1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
H [auth I]	AAA	e7t4gI1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
D [auth L]	AAA	e7t4gL1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
K [auth J]	AAA	e7t4gJ1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
G	AAA	e7t4gG1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
C [auth H]	AAA	e7t4gH1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
J [auth F]	AAA_lid_RFC1	e7t4gF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
F [auth D]	AAA_lid_RFC1	e7t4gD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
B	AAA_lid_RFC1	e7t4gB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
I [auth E]	AAA	e7t4gE1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
E [auth C]	AAA	e7t4gC1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)
A	AAA	e7t4gA1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: AAA	ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D [auth L], H [auth I], L [auth K]	Light Chain	IGKV1	Kappa	envelope glycoprotein gp120	SAbDab (2026-07-10)
C [auth H], G, K [auth J]	Heavy Chain	IGHV4	-	envelope glycoprotein gp120	SAbDab (2026-07-10)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth L], H [auth I], L [auth K]	K11 IgG light chain	-	-	-
C [auth H], G, K [auth J]	K11 IgG heavy chain	-	-	-
B, F [auth D], J [auth F]	Envelope glycoprotein gp41	structural molecule activity	viral process membrane fusion involved in viral entry into host cell 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 symbiont entry into host cell symbiont entry into 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
A, E [auth C], I [auth E]	Envelope glycoprotein gp120	structural molecule activity	viral process membrane fusion involved in viral entry into host cell 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 symbiont entry into host cell symbiont entry into 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

InterPro: Protein Family Classification InterPro Database Homepage

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

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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.

7T4G | pdb_00007t4g

The Envelope Glycoprotein SIVmac239.K180S SOSIP trimer in complex with 3 copies of the neutralizing antibody K11

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

SAbDab Antibody Annotation SAbDab Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage