General Information and Variability Data of DT
DT ID	DTD0502
Gene Name	SLCO4A1
Protein Name	Organic anion transporting polypeptide 4A1
Synonyms	Colon organic anion transporter; OATP-E; OATP-RP1; OATP4A1; OATPE; OATPRP1; Organic anion transporter polypeptide-related protein 1; Organic anion-transporting polypeptide E; POAT; SLC21A12; SLCO4A1; Sodium-independent organic anion transporter E; Solute carrier family 21 member 12; Solute carrier organic anion transporter family member 4A1
Gene ID	28231
UniProt ID	Q96BD0
TCDB ID	2.A.60.1.9
DT Family	Organo Anion Transporter (OAT) Family ;
Tissue Specificity	Ubiquitous, with the exception of spleen andleukocytes.
Function	This Na(+)-independent transporter mediates the transport of organic anions such as the thyroid hormones T3 (triiodo-L-thyronine), T4 (thyroxine) and rT3, and of estrone-3-sulfate and taurocholate.
Disease(s)	Medical abortion [ICD-11: JA00.1]
Genetic Polymorphisms & Epigenetic Regulations of DT	Epigenetic Regulations of DT (ERD)
Species-, Tissue- and Disease-specific Protein Abundances of DT	Disease-specific Protein Abundances of DT (DPAD)
	Species/Tissue-specific Protein Abundances of DT (S/TPAD)
Exogenous Factor Altering DT Activity	Exogenous Factors (drugs, dietary constituents, natural products, etc.) Modulating DT Activity (EFMDA)
Approved Drug(s) Transported by This DT	Dinoprostone	Drug Info	Medical abortion [ICD-11: JA00.1]	Approved	[1]
	Estrone sulfate	Drug Info	Menopausal symptoms [ICD-11: MF32]	Approved	[2]
	Liothyronine	Drug Info	Hypothyroidism [ICD-11: 5A00.2]	Approved	[3]
Clinical Trial Drug(s) Transported by This DT	Benzylpenicillin	Drug Info	Gram-positive bacteria infections [ICD-11: 1A00-1H0Z]	Phase 4	[1]
Withdrawn, Discontinued or Preclinical Drug(s) Transported by This DT	Taurocholic acid	Drug Info	Type 2 diabetes [ICD-11: 5A11]	Terminated	[4]
Endogenous Substrate(s)	Eicosanoids; Thyroid hormones; Bile salts
Drug-DT Affinity Assessed by Cell Line
Drug(s) with Drug-DT Affinity Data	Liothyronine	Drug Info	Oocytes-OATP4A1	Km = 0.9 microM	[4]
	Taurocholic acid	Drug Info	Oocytes-OATP4A1	Km = 14.9 microM	[4]
References
1	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.
2	Involvement of estrone-3-sulfate transporters in proliferation of hormone-dependent breast cancer cells. J Pharmacol Exp Ther. 2004 Dec;311(3):1032-7.
3	Isolation and characterization of a digoxin transporter and its rat homologue expressed in the kidney. Proc Natl Acad Sci U S A. 2004 Mar 9;101(10):3569-74.
4	Identification of thyroid hormone transporters in humans: different molecules are involved in a tissue-specific manner. Endocrinology. 2001 May;142(5):2005-12.

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