Annotations: 9LSZ

Inward-open Structure of human B0AT1

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TMEM173	e9lszA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: TMEM173	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H]	Heavy Chain	IGHV1	-	sodium-dependent neutral amino acid transporter b(0)at1	SAbDab (2026-09-25)
B [auth L]	Light Chain	IGKV8	Kappa	sodium-dependent neutral amino acid transporter b(0)at1	SAbDab (2026-09-25)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H]	Antibody Fab Heavy chain	-	-	-
B [auth L]	Antibody Fab Light chain	-	-	-
A	Sodium-dependent neutral amino acid transporter B(0)AT1	amino acid transmembrane transporter activity neutral L-amino acid transmembrane transporter activity transporter activity transmembrane transporter activity glycine transmembrane transporter activity monoatomic cation transmembrane transporter activity amino acid:sodium symporter activity solute:sodium symporter activity solute:monoatomic cation symporter activity carboxylic acid transmembrane transporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity glycine:sodium symporter activity neutral L-amino acid:sodium symporter activity amino acid transmembrane transporter activity neutral L-amino acid transmembrane transporter activity transporter activity transmembrane transporter activity glycine transmembrane transporter activity monoatomic cation transmembrane transporter activity amino acid:sodium symporter activity solute:sodium symporter activity solute:monoatomic cation symporter activity carboxylic acid transmembrane transporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity glycine:sodium symporter activity neutral L-amino acid:sodium symporter activity organic acid:sodium symporter activity active transmembrane transporter activity amino acid:monoatomic cation symporter activity monoatomic ion transmembrane transporter activity metal ion transmembrane transporter activity symporter activity alanine transmembrane transporter activity alanine:sodium symporter activity	localization transport neurotransmitter transport establishment of localization amino acid transport neutral amino acid transport viral process viral life cycle transmembrane transport import into cell import across plasma membrane amino acid import across plasma membrane amino acid transmembrane transport cellular process localization transport neurotransmitter transport establishment of localization amino acid transport neutral amino acid transport viral process viral life cycle transmembrane transport import into cell import across plasma membrane amino acid import across plasma membrane amino acid transmembrane transport cellular process response to nutrient levels response to stimulus response to chemical response to nutrient monoatomic ion transmembrane transport sodium ion transmembrane transport metal ion transport monoatomic cation transmembrane transport monoatomic ion transport monoatomic cation transport sodium ion transport	cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle protein-containing complex transmembrane transporter complex membrane protein complex transporter complex brush border membrane cluster of actin-based cell projections plasma membrane bounded cell projection brush border cell projection cell projection membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000175	Sodium:neurotransmitter symporter	Family
A	IPR002438	Neutral amino acid SLC6 transporter	Family
A	IPR037272	Sodium:neurotransmitter symporter superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q695T7	Hartnup disease iminoglycinuria hyperglycinuria melanoma osteosarcoma prostate carcinoma testicular cancer atypical teratoid rhabdoid tumor brain glioma colorectal cancer estrogen-receptor negative breast cancer lung adenocarcinoma nasopharyngeal disease ovarian cancer skin basal cell carcinoma Hartnup disease iminoglycinuria hyperglycinuria melanoma osteosarcoma prostate carcinoma testicular cancer atypical teratoid rhabdoid tumor brain glioma colorectal cancer estrogen-receptor negative breast cancer lung adenocarcinoma nasopharyngeal disease ovarian cancer skin basal cell carcinoma testicular germ cell tumor B-cell chronic lymphocytic leukemia breast carcinoma cutaneous melanoma exocrine pancreatic carcinoma intellectual disability lung carcinoma non-small cell lung carcinoma ovarian carcinoma systemic lupus erythematosus uterine corpus leiomyoma benign prostatic hyperplasia colorectal adenoma Epileptic encephalopathy glioblastoma idiopathic pulmonary fibrosis large cell medulloblastoma