General Information and Variability Data of DT
DT ID DTD0005
Gene Name SLC22A7
Protein Name Organic anion transporter 2
Synonyms NLT; Novel liver transporter; OAT2; SLC22A7; Solute carrier family 22 member 7; hOAT11; hOAT2
Gene ID
10864
UniProt ID
Q9Y694
TCDB ID
2.A.1.19.25
DT Family Major Facilitator Superfamily (MFS)
Organic Cation Transporter (OCT) Family
Tissue Specificity Highly expressed in the liver and, to a lesser extent, in the kidney
Function This sodium-independent transporter mediates the transport of multispecific organic anion. Transport of prostaglandin E2, prostaglandin F2, tetracycline, bumetanide, estrone sulfate, glutarate, dehydroepiandrosterone sulfate, allopurinol, 5-fluorouracil, paclitaxel, L-ascorbic acid, salicylate, ethotrexate, and alpha-ketoglutarate.
Disease(s) Chronic obstructive pulmonary disease [ICD-11: CA22]
Edema associated with congestive heart failure [ICD-11: BD10]
Human immunodeficiency virus infection [ICD-11: 1C62.Z]
Hyperuricaemia [ICD-11: 5C55.Y]
Leukemia [ICD-11: 2A60-2B33]
Pain [ICD-11: MG30-MG7Z]
Peptic ulcer [ICD-11: DA61]
Herpes simplex virus infection [ICD-11: 1F00]
Chlamydia infections [ICD-11: 1C2Z]
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 Acyclovir Drug Info Shingles [ICD-11: 1.00E+91] Approved [1]
Allopurinol Drug Info Hyperuricaemia [ICD-11: 5C55.Y] Approved [2]
Aspirin Drug Info Pain [ICD-11: MG30-MG7Z] Approved [3]
Bumetanide Drug Info Edema associated with congestive heart failure [ICD-11: BD10] Approved [4]
Dinoprostone Drug Info Medical abortion [ICD-11: JA00.1] Approved [5]
Entecavir Drug Info Chronic hepatitis B infection [ICD-11: 1E51.0] Approved [6]
Erythromycin Drug Info Pelvic inflammatory disease [ICD-11: GA05] Approved [7]
Fluorouracil Drug Info Stomach cancer [ICD-11: 2B72] Approved [4]
Methotrexate Drug Info Leukemia [ICD-11: 2A60-2B33] Approved [8]
Paclitaxel Drug Info Breast cancer [ICD-11: 2C60-2C6Z] Approved [4]
Penciclovir Drug Info Herpes simplex virus infection [ICD-11: 1F00] Approved [9]
Ranitidine Drug Info Peptic ulcer [ICD-11: DA61] Approved [10]
Tetracycline Drug Info Gram-positive & negative bacteria infections [ICD-11: 1A00-1H0Z] Approved [11]
Theophylline Drug Info Chronic obstructive pulmonary disease [ICD-11: CA22] Approved [7]
Zidovudine Drug Info Human immunodeficiency virus infection [ICD-11: 1C62.Z] Approved [12]
Withdrawn, Discontinued or Preclinical Drug(s) Transported by This DT Prostaglandin f2Alpha Drug Info Solid tumours [ICD-11: 2D4Z] Preclinical [13]
Endogenous Substrate(s) Organic anions; 2'-Deoxyguanosine
Endogenous Metabolites (EMs) Handled by This DT Amino acid unspecific EM Info Unclear experiment used for identifying this EM [14]
Drug-DT Affinity Assessed by Cell Line
Drug(s) with Drug-DT Affinity Data Bumetanide Drug Info Oocytes-OAT2 Km = 7.52 microM [4]
Dinoprostone Drug Info Proximal tubule (S2) cells-OAT2 Km = 0.713 microM [5]
Erythromycin Drug Info Oocytes-OAT2 Km = 18.5 microM [7]
Fluorouracil Drug Info Oocytes-OAT2 Km = 0.0538 microM [4]
Paclitaxel Drug Info Oocytes-OAT2 Km = 0.1428 microM [4]
Prostaglandin f2Alpha Drug Info Proximal tubule (S2) cells-OAT2 Km = 0.425 microM [13]
Tetracycline Drug Info Proximal tubule (S2) cells-OAT2 Km = 439.9 microM [11]
Theophylline Drug Info Oocytes-OAT2 Km = 12.6 microM [7]
Zidovudine Drug Info Proximal tubule (S2) cells-OAT2 Km = 26.8 microM [12]
References
1 Organic anion transporter 2 (SLC22A7) is a facilitative transporter of cGMP. Mol Pharmacol. 2008 Apr;73(4):1151-8.
2 Isolation, characterization and differential gene expression of multispecific organic anion transporter 2 in mice. Mol Pharmacol. 2002 Jul;62(1):7-14.
3 Identification of multispecific organic anion transporter 2 expressed predominantly in the liver. FEBS Lett. 1998 Jun 12;429(2):179-82.
4 Transport mechanism and substrate specificity of human organic anion transporter 2 (hOat2 [SLC22A7]). J Pharm Pharmacol. 2005 May;57(5):573-8.
5 Human organic anion transporters and human organic cation transporters mediate renal transport of prostaglandins. J Pharmacol Exp Ther. 2002 Apr;301(1):293-8.
6 Human organic anion transporter 2 is an entecavir, but not tenofovir, transporter. Drug Metab Pharmacokinet. 2017 Feb;32(1):116-119.
7 Possible involvement of organic anion transporter 2 on the interaction of theophylline with erythromycin in the human liver. Drug Metab Dispos. 2005 May;33(5):619-22.
8 Transport of organic anions across the basolateral membrane of proximal tubule cells. Rev Physiol Biochem Pharmacol. 2003;146:95-158.
9 In vitro studies with two human organic anion transporters: OAT2 and OAT7. Xenobiotica. 2018 Oct;48(10):1037-1049.
10 A species difference in the transport activities of H2 receptor antagonists by rat and human renal organic anion and cation transporters. J Pharmacol Exp Ther. 2005 Oct;315(1):337-45.
11 Human organic anion transporters mediate the transport of tetracycline. Jpn J Pharmacol. 2002 Jan;88(1):69-76.
12 Human organic anion transporters and human organic cation transporters mediate renal antiviral transport. J Pharmacol Exp Ther. 2002 Mar;300(3):918-24.
13 Interaction of human organic anion transporters 2 and 4 with organic anion transport inhibitors. J Pharmacol Exp Ther. 2002 Jun;301(3):797-802.
14 Genetic Regulation of Liver Metabolites and Transcripts Linking to Biochemical-Clinical Parameters. Front Genet. 2019 Apr 17;10:348.

If you find any error in data or bug in web service, please kindly report it to Dr. Yin and Dr. Li.