General Information and Variability Data of DT
DT ID DTD0501
Gene Name SLCO3A1
Protein Name Organic anion transporting polypeptide 3A1
Synonyms OATP-D; OATP-RP3; OATP3A1; OATPD; OATPRP3; Organic anion transporter polypeptide-related protein 3; Organic anion-transporting polypeptide D; PGE1 transporter; SLC21A11; SLCO3A1; Sodium-independent organic anion transporter D; Solute carrier family 21 member 11; Solute carrier organic anion transporter family member 3A1
Gene ID
28232
UniProt ID
Q9UIG8
TCDB ID
2.A.60.1.18
DT Family Organo Anion Transporter (OAT) Family ;
Tissue Specificity Ubiquitous. Highly expressed in spleen andleukocytes. Generally the expression of isoform 1 is higher thanthat of isoform 2. Isoform 2 is particularly abundant in testisand brain. In testis, isoform 1 is detected in spermatogonia atdifferent stages and absent from Sertoli cells, while isoform 2 ispresent in both (at protein level). Expressed in the choroidplexus epithelium, isoform 1 being localized at the basolateralmembrane and isoform 2 at the apical one, as well as in thesubapical intracellular vesicular compartments. Differentialexpression of both isoforms is also observed in other brainregion: isoform 1 is very abundant in the gray matter of thefrontal cortex, but is not associated with neuronal cell bodies.Not detected in the white matter. In contrast, isoform 2 isassociated with neuronal bodies and axons in both the gray and thewhite matters of the frontal cortex.
Function This Na(+)-independent transporter mediates the transport of organic anions such as estrone-3-sulfate. Mediates transport of prostaglandins (PG) E1 and E2, thyroxine (T4), deltorphin II, BQ-123 and vasopressin, but not DPDPE (a derivative of enkephalin lacking an N-terminal tyrosine residue), estrone-3-sulfate, taurocholate, digoxin nor DHEAS.
Disease(s) Medical abortion [ICD-11: JA00.1]
Pulmonary arterial hypertension [ICD-11: BB01.0]
Genetic Polymorphisms & Epigenetic Regulations of DT
Species-, Tissue- and Disease-specific Protein Abundances of DT
Exogenous Factor Altering DT Activity
Approved Drug(s) Transported by This DT Alprostadil Drug Info Erectile dysfunction [ICD-11: HA01] Approved [1]
Dinoprostone Drug Info Medical abortion [ICD-11: JA00.1] Approved [1]
Estrone sulfate Drug Info Menopausal symptoms [ICD-11: MF32] Approved [2]
Iloprost Drug Info Pulmonary arterial hypertension [ICD-11: BB01.0] Approved [1]
Clinical Trial Drug(s) Transported by This DT Benzylpenicillin Drug Info Gram-positive bacteria infections [ICD-11: 1A00-1H0Z] Phase 4 [2]
Withdrawn, Discontinued or Preclinical Drug(s) Transported by This DT Prostaglandin f2Alpha Drug Info Solid tumours [ICD-11: 2D4Z] Preclinical [1]
Endogenous Substrate(s) Organoanions
Drug-DT Affinity Assessed by Cell Line
Drug(s) with Drug-DT Affinity Data Alprostadil Drug Info Oocytes-OATP3A1 Km = 0.0485 microM [1]
References
1 Molecular characterization of human and rat organic anion transporter OATP-D. Am J Physiol Renal Physiol. 2003 Dec;285(6):F1188-97.
2 Molecular identification and characterization of novel members of the human organic anion transporter (OATP) family. Biochem Biophys Res Commun. 2000 Jun 24;273(1):251-60.

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