Gene Information
Gene NameOATP2B1
OrganismHomo sapiens (Human)
Gene Length709
Protein NamesSolute carrier organic anion transporter family member 2B1 (Organic anion transporter B) (OATP-B) (Organic anion transporter polypeptide-related protein 2) (OATP-RP2) (OATPRP2) (Organic anion transporting polypeptide 2B1) (OATP2B1) (Solute carrier family 21 member 9)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBO94956
Gene CardSLCO2B1
Uniprot IDO94956
PfamPF03137
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityStrongly expressed in the liver, at the sinusoidal membrane of the hepatocytes (PubMed:10873595, PubMed:11159893, PubMed:23531488). Expressed in the kidney (PubMed:11159893). Expressed in placental trophoblasts and syncytiotrophoblast (PubMed:11159893, PubMed:11932330, PubMed:12409283, PubMed:26277985). Expressed in the small intestine (PubMed:10873595, PubMed:11159893, PubMed:12724351, PubMed:23531488). Expressed in the blood-brain barrier, in endothelial cells of brain capillaries (PubMed:11159893, PubMed:25132355). Expressed in the retina, in the inner nuclear layer and the inner plexiform layer (PubMed:25132355). Expressed in skelettal muscles (PubMed:23531488). Expressed in pancreas, lung, heart, colon, ovary, testis and spleen (PubMed:10873595, PubMed:11159893). Expressed in fetal brain, heart, kidney, liver, lung, skeletal muscle, spleen and pancreas (PubMed:10873595). {ECO:0000269|PubMed:10873595, ECO:0000269|PubMed:11159893, ECO:0000269|PubMed:11932330, ECO:0000269|PubMed:12409283, ECO:0000269|PubMed:12724351, ECO:0000269|PubMed:23531488, ECO:0000269|PubMed:25132355, ECO:0000269|PubMed:26277985}.;
[Isoform 1]: Highest expression in brain. Predominant isoform compared to isoform 3 in small intestine duodenum, kidney, placenta, and skeletal muscle. {ECO:0000269|PubMed:23531488}.;
[Isoform 3]: Predominant isoform compared to isoform 1 in liver. Also expressed in small intestine duodenum, kidney, brain, placenta, and skeletal muscle. {ECO:0000269|PubMed:23531488}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs865987804  rs35199625  rs12422149  rs1621378  rs2306168 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:25132355};
Multi-pass membrane protein. Basal cell membrane {ECO:0000269|PubMed:11159893, ECO:0000269|PubMed:11932330, ECO:0000269|PubMed:12409283};
Multi-pass membrane protein. Apical cell membrane {ECO:0000269|PubMed:12724351};
Multi-pass membrane protein. Note=Expressed at the basal membrane of the hepatocytes and syncytiotrophoblast (PubMed:11159893, PubMed:11932330, PubMed:12409283). Expressed at the apical membrane of intestinal cells (PubMed:12724351). {ECO:0000269|PubMed:11159893, ECO:0000269|PubMed:11932330, ECO:0000269|PubMed:12409283, ECO:0000269|PubMed:12724351}.
Mouse PG classificationNA
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