General Information and Variability Data of DT
Gene Name ABCC3
Protein Name Multidrug resistance-associated protein 3
Synonyms ABC31; ABCC3; ATP-binding cassette sub-family C member 3; CMOAT2; Canalicular multispecific organic anion transporter 2; EST90757; MLP2; MOAT-D; MRP3; Multi-specific organic anion transporter D
Gene ID
UniProt ID
DT Family ATP-Binding Cassette (ABC) Superfamily
Drug Conjugate Transporter (DCT) Family (ABCC)
Tissue Specificity Mainly expressed in the liver. Also expressedin small intestine, colon, prostate, testis, brain and at a lowerlevel in the kidney.
Function This transporter may act as an inducible transporter in the biliary and intestinal excretion of organic anions. Acts as an alternative route for the export of bile acids and glucuronides from cholestatic hepatocytes.
Disease(s) Allergic rhinitis [ICD-11: CA08.0]
Colorectal cancer [ICD-11: 2B91]
Hypercholesterolemia [ICD-11: 5C80.0]
Kaposi's sarcoma [ICD-11: 2B57]
Leukemia [ICD-11: 2A60-2B33]
Chronic pain [ICD-11: MG30]
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 Cefadroxil Drug Info Gram-positive & negative bacteria infections [ICD-11: 1A00-1H0Z] Approved [1]
Dehydroepiandrosterone sulfate Drug Info Dyspareunia [ICD-11: GA12] Approved [2]
Efavirenz Drug Info Human immunodeficiency virus infection [ICD-11: 1C62.Z] Approved [3]
Etoposide Drug Info Testicular cancer [ICD-11: 2C80] Approved [4]
Etravirine Drug Info Human immunodeficiency virus infection [ICD-11: 1C62.Z] Approved [5]
Ezetimibe Drug Info Hypercholesterolemia [ICD-11: 5C80.0] Approved [6]
Fexofenadine Drug Info Allergic rhinitis [ICD-11: CA08.0] Approved [7]
Fluorouracil Drug Info Stomach cancer [ICD-11: 2B72] Approved [8]
Folic acid Drug Info Vitamin deficiency [ICD-11: 5B55-5B7Z] Approved [9]
Glibenclamide Drug Info Diabetes [ICD-11: 5A10-5A14] Approved [10]
Glycyrrhizin Drug Info Hepatitis C virus infection [ICD-11: 1E50.2, 1E51.1] Approved [11]
Leucovorin Drug Info Colorectal cancer [ICD-11: 2B91] Approved [9]
Methotrexate Drug Info Leukemia [ICD-11: 2A60-2B33] Approved [12]
Morphine Drug Info Chronic pain [ICD-11: MG30] Approved [13]
Paclitaxel Drug Info Breast cancer [ICD-11: 2C60-2C6Z] Approved [14]
Technetium (99MTC) mebrofenin Drug Info Imaging of liver and gallbladder [ICD-11: XD47Y1] Approved [15]
Teniposide Drug Info Acute lymphoblastic leukemia [ICD-11: 2B33.0] Approved [16]
Clinical Trial Drug(s) Transported by This DT Glycocholic acid Drug Info Bile acid synthesis defect [ICD-11: 5C52.11] Phase 3 [17]
Trabectedin Drug Info Ovarian cancer [ICD-11: 2C73] Phase 3 [18]
Cholyl lysyl fluorescein Drug Info Hepatitis virus infection [ICD-11: 1E5Z] Phase 2 [19]
Glutathione-S-S-glutathione Drug Info Ovarian cancer [ICD-11: 2C73] Phase 2 [20]
Withdrawn, Discontinued or Preclinical Drug(s) Transported by This DT Epipodophyllotoxins Drug Info Molluscum contagiosum infection [ICD-11: 1.00E+76] Preclinical [16]
Monomethyl-auristatin-E Drug Info Cancer [ICD-11: 2A00-2F9Z] Preclinical [14]
Scutellarin Drug Info Cerebrovascular ischaemia [ICD-11: 8B1Z] Preclinical [21]
Sodium taurocholate Drug Info Type 2 diabetes [ICD-11: 5A11] Preclinical [22]
Taurocholic acid Drug Info Type 2 diabetes [ICD-11: 5A11] Terminated [22]
Endogenous Substrate(s) Canicular organoanions; GSH-X; Sulfate-X; Bile acids; Bilirubin-glucuronides; Epoposide glucuronide; Estradiol 17-beta-D-glucuronide; Glycocholate; Leukotriene C4
Endogenous Metabolites (EMs) Handled by This DT Glucuronide EM Info Identified using Mrp3 knockout mice [23]
Drug-DT Affinity Assessed by Cell Line
Drug(s) with Drug-DT Affinity Data Cefadroxil Drug Info Spodoptera frugiperda 21 (Sf21) cells-MRP3 Km = 2.5 microM [1]
Estradiol-17beta-glucuronide Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 25.6 microM [24]
Estradiol-17beta-glucuronide Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 29 microM [22]
Estradiol-17beta-glucuronide Drug Info Spodoptera frugiperda (Sf9) cells-MRP3 Km = 17.7 microM [16]
Etoposide Drug Info Spodoptera frugiperda (Sf9) cells-MRP3 Km = 11.4 microM [16]
Folic acid Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 1960 microM [9]
Leucovorin Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 1740 microM [9]
Methotrexate Drug Info Breast carcinoma cell line (MCF7)-MRP3 Km = 910 microM [12]
Methotrexate Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 620 microM [9]
Methotrexate Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 776 microM [24]
Sodium taurocholate Drug Info Human embryonic kidney cells (HEK293)-MRP3 Km = 30 microM [22]
1 Oral availability of cefadroxil depends on ABCC3 and ABCC4. Drug Metab Dispos. 2012 Mar;40(3):515-21.
2 Integration of hepatic drug transporters and phase II metabolizing enzymes: mechanisms of hepatic excretion of sulfate, glucuronide, and glutathione metabolites. Eur J Pharm Sci. 2006 Apr;27(5):447-86.
3 Induction of multiple drug transporters by efavirenz. J Pharmacol Sci. 2009 Feb;109(2):242-50.
4 Functional reconstitution of human ABCC3 into proteoliposomes reveals a transport mechanism with positive cooperativity. Biochemistry. 2009 May 26;48(20):4423-30.
5 Interaction potential of etravirine with drug transporters assessed in vitro. Antimicrob Agents Chemother. 2011 Mar;55(3):1282-4.
6 Complex pharmacokinetic behavior of ezetimibe depends on abcc2, abcc3, and abcg2. Drug Metab Dispos. 2009 Aug;37(8):1698-702.
7 Involvement of multiple efflux transporters in hepatic disposition of fexofenadine. Mol Pharmacol. 2008 May;73(5):1474-83.
8 ATP-binding cassette C transporters in human pancreatic carcinoma cell lines. Upregulation in 5-fluorouracil-resistant cells. Pancreatology. 2009;9(1-2):136-44.
9 Transport of methotrexate (MTX) and folates by multidrug resistance protein (MRP) 3 and MRP1: effect of polyglutamylation on MTX transport. Cancer Res. 2001 Oct 1;61(19):7225-32.
10 Transport of glyburide by placental ABC transporters: implications in fetal drug exposure. Placenta. 2006 Nov-Dec;27(11-12):1096-102.
11 The combination of glycyrrhizin and lamivudine can reverse the cisplatin resistance in hepatocellular carcinoma cells through inhibition of multidrug resistance-associated proteins. Int J Oncol. 2007 Dec;31(6):1465-72.
12 Multidrug resistance protein (MRP) 1 and MRP3 attenuate cytotoxic and transactivating effects of the cyclopentenone prostaglandin, 15-deoxy-Delta(12,14)prostaglandin J2 in MCF7 breast cancer cells. Biochemistry. 2003 May 13;42(18):5429-37.
13 Multidrug resistance-associated proteins 3, 4, and 5. Pflugers Arch. 2007 Feb;453(5):661-73.
14 Functional genomics identifies ABCC3 as a mediator of taxane resistance in HER2-amplified breast cancer. Cancer Res. 2008 Jul 1;68(13):5380-9.
15 Mammalian drug efflux transporters of the ATP binding cassette (ABC) family in multidrug resistance: A review of the past decade. Cancer Lett. 2016 Jan 1;370(1):153-64.
16 Characterization of drug transport by the human multidrug resistance protein 3 (ABCC3). J Biol Chem. 2001 Dec 7;276(49):46400-7.
17 Measurement of transport activities of bile acids in human multidrug resistance-associated protein 3 using liquid chromatography-tandem mass spectrometry. Anal Sci. 2010;26(3):317-23.
18 ABCC2, ABCC3, and ABCB1, but not CYP3A, Protect against Trabectedin-Mediated Hepatotoxicity. Clin Cancer Res. 2009 Dec 15;15(24):7616-7623.
19 The emerging role of transport systems in liver function tests. Eur J Pharmacol. 2012 Jan 30;675(1-3):1-5.
20 MRP2 and 3 in health and disease. Cancer Lett. 2006 Mar 8;234(1):51-61.
21 Mechanistic studies on the absorption and disposition of scutellarin in humans: selective OATP2B1-mediated hepatic uptake is a likely key determinant for its unique pharmacokinetic characteristics. Drug Metab Dispos. 2012 Oct;40(10):2009-20.
22 Characterization of the role of polar amino acid residues within predicted transmembrane helix 17 in determining the substrate specificity of multidrug resistance protein 3. Biochemistry. 2003 Aug 26;42(33):9989-10000.
23 Mice lacking Mrp3 (Abcc3) have normal bile salt transport, but altered hepatic transport of endogenous glucuronides. J Hepatol. 2006 Apr;44(4):768-75.
24 Transport of amphipathic anions by human multidrug resistance protein 3. Cancer Res. 2000 Sep 1;60(17):4779-84.

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