Annotations: 9R1E

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV3	-	multidrug and toxin extrusion protein 1	SAbDab (2025-12-26)
C [auth L]	Light Chain	IGKV1	Kappa	multidrug and toxin extrusion protein 1	SAbDab (2025-12-26)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01554	MatE (MatE)	MatE	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Multidrug and toxin extrusion protein 1	L-arginine transmembrane transporter activity L-amino acid transmembrane transporter activity amino acid transmembrane transporter activity transporter activity carboxylic acid transmembrane transporter activity basic amino acid transmembrane transporter activity transmembrane transporter activity antiporter activity active transmembrane transporter activity secondary active transmembrane transporter activity polyamine transmembrane transporter activity putrescine transmembrane transporter activity xenobiotic transmembrane transporter activity monoatomic cation transmembrane transporter activity L-arginine transmembrane transporter activity L-amino acid transmembrane transporter activity amino acid transmembrane transporter activity transporter activity carboxylic acid transmembrane transporter activity basic amino acid transmembrane transporter activity transmembrane transporter activity antiporter activity active transmembrane transporter activity secondary active transmembrane transporter activity polyamine transmembrane transporter activity putrescine transmembrane transporter activity xenobiotic transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity monoatomic ion transmembrane transporter activity polyspecific organic cation:proton antiporter activity thiamine transmembrane transporter activity azole transmembrane transporter activity sulfur compound transmembrane transporter activity vitamin transmembrane transporter activity	localization transport establishment of localization organic cation transport import into cell organic anion transport nitrogen compound transport carboxylic acid transmembrane transport carboxylic acid transport import across plasma membrane amino acid transmembrane transport L-amino acid transport L-arginine import across plasma membrane transmembrane transport localization transport establishment of localization organic cation transport import into cell organic anion transport nitrogen compound transport carboxylic acid transmembrane transport carboxylic acid transport import across plasma membrane amino acid transmembrane transport L-amino acid transport L-arginine import across plasma membrane transmembrane transport organic acid transport amino acid transport L-alpha-amino acid transmembrane transport cellular process amino acid import across plasma membrane xenobiotic transport putrescine transport polyamine transport xenobiotic transmembrane transport xenobiotic export from cell response to stimulus xenobiotic detoxification by transmembrane export across the plasma membrane detoxification export from cell export across plasma membrane response to toxic substance response to chemical	cellular anatomical structure membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane basal part of cell basal plasma membrane basolateral plasma membrane
B [auth H]	Heavy chain of Fab	-	-	-
C [auth L]	Light chain of Fab	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR045069	Multidrug and toxic compound extrusion family, eukaryotic	Family
A	IPR002528	Multi antimicrobial extrusion protein	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q96FL8	kidney disease gastric ulcer Prevention of Radiation-Induced Nausea and Vomiting gingivitis subependymal giant cell astrocytoma HIV infectious disease acute myeloid leukemia lung cancer malaria non-small cell lung carcinoma COVID-19 pancreatic ductal adenocarcinoma Duchenne muscular dystrophy pneumocystosis gastroesophageal reflux disease kidney disease gastric ulcer Prevention of Radiation-Induced Nausea and Vomiting gingivitis subependymal giant cell astrocytoma HIV infectious disease acute myeloid leukemia lung cancer malaria non-small cell lung carcinoma COVID-19 pancreatic ductal adenocarcinoma Duchenne muscular dystrophy pneumocystosis gastroesophageal reflux disease psoriasis systemic mastocytosis human African trypanosomiasis Zollinger-Ellison syndrome adrenal cortex carcinoma lung carcinoma brain aneurysm malignant mesothelioma oligodendroglioma cutaneous lupus erythematosus peptic esophagitis duodenal ulcer pituitary cancer gastrointestinal stromal tumor relapsing-remitting multiple sclerosis toxoplasmosis idiopathic hypereosinophilic syndrome limb-girdle muscular dystrophy Becker muscular dystrophy chronic eosinophilic leukemia nephrosclerosis osteosarcoma dermatofibrosarcoma protuberans

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.