Annotations: 7VAE

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	Aminotran_3	e7vaeL1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Aminotran_3	ECOD (v294.1)
B [auth H]	Aminotran_3	e7vaeH1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Aminotran_3	ECOD (v294.1)
A	Aminotran_3	e7vaeA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Aminotran_3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A	1.20.1530.20	Mainly Alpha	Up-down Bundle	Na+/H+ antiporter like fold		CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV8	Kappa	solute carrier family 10 (sodium/bile acid cotransporterfamily), member 1	SAbDab (2026-04-10)
B [auth H]	Heavy Chain	IGHV1	-	solute carrier family 10 (sodium/bile acid cotransporterfamily), member 1	SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01758	Sodium Bile acid symporter family (SBF)	Sodium Bile acid symporter family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	Fab light chain from antibody IgG clone number YN69202	-	-	-
B [auth H]	Fab heavy chain from antibody IgG clone number YN69202	-	-	-
A	Solute carrier family 10 (Sodium/bile acid cotransporter family), member 1	monoatomic cation transmembrane transporter activity solute:sodium symporter activity solute:monoatomic cation symporter activity lipid transmembrane transporter activity monocarboxylate:sodium symporter activity bile acid:sodium symporter activity carboxylic acid transmembrane transporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity secondary active monocarboxylate transmembrane transporter activity organic acid:sodium symporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monocarboxylic acid transmembrane transporter activity monoatomic cation transmembrane transporter activity solute:sodium symporter activity solute:monoatomic cation symporter activity lipid transmembrane transporter activity monocarboxylate:sodium symporter activity bile acid:sodium symporter activity carboxylic acid transmembrane transporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity secondary active monocarboxylate transmembrane transporter activity organic acid:sodium symporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monocarboxylic acid transmembrane transporter activity metal ion transmembrane transporter activity transmembrane transporter activity symporter activity bile acid transmembrane transporter activity	organic anion transport carboxylic acid transport transport lipid localization bile acid and bile salt transport lipid transport organic hydroxy compound transport establishment of localization organic acid transport localization monocarboxylic acid transport macromolecule localization	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004710	Bile acid:sodium symporter	Family
A	IPR002657	Bile acid:sodium symporter/arsenical resistance protein Acr3	Family
A	IPR038770	Sodium/solute symporter superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Monovalent cation-proton antiporter	Bile Acid:Na+ Symporter (BASS) Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Apical Sodium-Dependent Bile Acid Transporters (ASBT)	sodium taurocholate co-transporting polypeptide (NTCP), in complex with YN69202Fab

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.