ABCMdb

ABCC3 p.Ser346Phe

Predicted by SNAP2:	A: N (78%), C: N (61%), D: N (72%), E: N (87%), F: D (75%), G: N (78%), H: N (66%), I: N (72%), K: N (78%), L: D (63%), M: D (71%), N: N (82%), P: N (61%), Q: N (78%), R: N (66%), T: N (93%), V: N (78%), W: D (63%), Y: D (85%),
Predicted by PROVEAN:	A: N, C: N, D: N, E: N, F: D, G: N, H: N, I: N, K: N, L: N, M: N, N: N, P: N, Q: N, R: N, T: N, V: N, W: D, Y: D,

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[hide] Pharmacogenomics of MRP transporters (ABCC1-5) and... Drug Metab Rev. 2008;40(2):317-54. Gradhand U, Kim RB
Pharmacogenomics of MRP transporters (ABCC1-5) and BCRP (ABCG2).
Drug Metab Rev. 2008;40(2):317-54., [PMID:18464048]

Abstract [show]
Elucidation of the key mechanisms that confer interindividual differences in drug response remains an important focus of drug disposition and clinical pharmacology research. We now know both environmental and host genetic factors contribute to the apparent variability in drug efficacy or in some cases, toxicity. In addition to the widely studied and recognized genes involved in the metabolism of drugs in clinical use today, we now recognize that membrane-bound proteins, broadly referred to as transporters, may be equally as important to the disposition of a substrate drug, and that genetic variation in drug transporter genes may be a major contributor of the apparent intersubject variation in drug response, both in terms of attained plasma and tissue drug level at target sites of action. Of particular relevance to drug disposition are members of the ATP Binding Cassette (ABC) superfamily of efflux transporters. In this review a comprehensive assessment and annotation of recent findings in relation to genetic variation in the Multidrug Resistance Proteins 1-5 (ABCC1-5) and Breast Cancer Resistance Protein (ABCG2) are described, with particular emphasis on the impact of such transporter genetic variation to drug disposition or efficacy.

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172 Figure 3 Predicted membrance topology of MRP3 (ABCC3) based on hydrophobicity analysis. Locations of the non-synonymous polymorphisms are indicated with arrows. See Table 3 for allele frequencies and description of funtional consequences. NH2 COOH NBD NBD in out Membrane Gly11Asp His68Tyr Ser346Phe Lys13Asn Gln513Lys Thr527Arg Ala528Gly Leu548Gln Gln741* Val799Met Gln933Arg_fs Ser1219Arg Arg1297His Pro1300Leu Leu1362Val Ala1398Val Thr1406Met Gly1423Arg Ala1513Asp MRP3 (ABCC3) NBD NBD Lys13Asn NBD NBD Lys13Asn In accordance with the latter finding, Gradhand et al. (2007b) found no impact of the -211C>T polymorphism on the ABCC3 promoter activity in transfected cell lines. Login to comment
174 For example, changing the tryptophan at position 1242 of MRP3 markedly altered the substrate specificity of MRP3 (Oleschuk et al., 2003), as is the case when a similar Table 3 MRP3 (ABCC3) single nucleotide polymorphisms. Location, allele frequency and functional effects. Position in coding sequence Amino acid exchange Location Allele frequency Effect NCBI ID ReferenceAf Ca Jp others 32G>A Gly11Asp Exon 1 - 0 [1] 0.6 [2] - - rs11568609 39G>C Lys13Asn Exon1 - 0.5 [1] 0 [3] - no effect on mRNA or protein in liver [1] 0 [2] 202C>T His68Tyr Exon2 - 1.6 [1] 0[3] 0 [2] - no effect on mRNA or protein in liver [1] 1037C>T Ser346Phe Exon9 - 0.5 [1] 0[3] 0 [2] - no effect on mRNA or protein in liver [1] 1537C>A Gln513Lys Exon12 - 0.5 [1] 0[3] 0 [2] - no effect on mRNA or protein in liver [1] 1580C>G Thr527Arg Exon 12 - - - - - rs1003354 1583C>G Ala528Gly Exon 12 - - - - - rs1003355 1643T>A Leu548Gln Exon 13 - 0.3 [4] 0 [3] 0 [2] - - 2221C>T Gln741* Exon 17 - 0 [1] 0.6 [2] - - 2395G>A Val799Met Exon 18 - 0 [1] 0.6 [2] - - 2798A-2799G del Gln933Arg_fs Exon 21 - 0 [1] 0.6 [2] - frame shift and early stop codon [2] 3657C>A Ser1219Arg Exon 25 - 0 [1] 1.1 [2] - no effect on expression, localization or transport in vesicles from transfected cells [4] 3890G>A Arg1297His Exon27 - 5.2 [1] 8 [4] 0 [3] 0 [2] - no effect on mRNA or protein in liver [1] 3899C>T Pro1300Leu Exon 27 - - - - - rs41280128 4084C>G Leu1362Val Exon 28 - - - - - rs1051625 4193C>T Ala1398Val Exon29 - - - - - rs11549764 4217C>T Thr1406Met Exon29 - 0 [1] 0.6 [2] - - 4267G>A Gly1423Arg Exon29 - 12.5 [1] 0 [3] - no effect on mRNA or protein in liver [1] 0 [2] 4538A>C Ala1513Asp Exon 31 - - - - - rs11656685 1. Login to comment

[hide] Multidrug resistance associated proteins as determ... Curr Drug Metab. 2007 Dec;8(8):787-802. Yu XQ, Xue CC, Wang G, Zhou SF
Multidrug resistance associated proteins as determining factors of pharmacokinetics and pharmacodynamics of drugs.
Curr Drug Metab. 2007 Dec;8(8):787-802., [PMID:18220559]

Abstract [show]
The multidrug resistance associated proteins (MRP1, MRP2, MRP3, MRP4, MRP5, MRP6, MRP7, MRP8 and MRP9) belong to the ATP-binding cassette superfamily (ABCC family) of transporters. They are expressed differentially in the liver, kidney, intestine, brain and other tissues. These transporters are localized to the apical and/or basolateral membrane of the hepatocytes, enterocytes, renal proximal tubule cells and endothelial cells of the blood-brain barrier. Several MRPs (mainly MRP1-3) are associated with tumor resistance which is often caused by an increased efflux and decreased intracellular accumulation of natural product anticancer drugs and other anticancer agents. MRPs transport a structurally diverse array of important endogenous substances and xenobiotics and their metabolites (in particular conjugates) with different substrate specificity and transport kinetics. Most MRPs are subject to induction and inhibition by a variety of compounds. Several nuclear receptors, including pregnane X receptor (PXR), liver X receptor (LXR), and farnesoid receptor (FXR) participate in the regulation of MRPs. MRPs play an important role in the absorption, distribution and elimination of various drugs in the body and thus may affect their efficacy and toxicity and cause drug-drug interactions. MRPs located in the blood-brain barrier can restrict the penetration of compounds into the central nervous system. Mutation of MRP2 causes Dubin-Johnson syndrome, while mutations in MRP6 are responsible for pseudoxanthoma elasticum. More recently, mutations in mouse Mrp6/Abcc6 gene is associated with dystrophic cardiac calcification (DCC), a disease characterized by hydroxyapatite deposition in necrotic myocytes. A single nucleotide polymorphism, 538G>A in the MRP8/ABCC11 gene, is responsible for determination of earwax type. A better understanding of the function and regulating mechanism of MRPs can help minimize and avoid drug toxicity, unfavourable drug-drug interactions, and to overcome drug resistance.

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406 MRP Chromosomal location Amino acid variation Nucleotide variation Location References Lys13Asn G39GC Exon1 His68Tyr C202T Exon2 Ser346Phe C1037T Exon9 Gln513Lys C1537A Exon12 Arg1297His G3890A Exon27 MRP3 17q21.3 Gly1423Arg G4267A Exon29 [241] MRP4 13q32.1 Unknown MRP5 3q27 Unknown L63L W64R 189G>C 190T>C Exon2 Exon2 [250] T364R Q378X 1091C>G 1132C>T Exon9 Exon9 [260, 261] R518X R518Q 1552 C>T 1553G>A Exon12 Exon12 [247, 262] R1141X R1138Q T1130M R1114C M1127T 3421C>T 3413G>A 3389C>T 3340C>T 3380C>T Exon24 Exon24 Exon24 Exon24 Exon24 [246, 247] R1275X 3823C>T Exon27 [246] P1346S 4036C>T Exon28 [246] MRP6 16p13.1 E1400K 4198G>A Exon29 [247] MRP7 6p12-21 Unknown MRP8 16q12.1 Unknown MRP9 16q12.1 Unknown CONCLUSIONS AND FUTURE DIRECTIONS MRPs which belong to the ABC transporter family are able to transport a remarkable array of diverse endo- and xenobiotics and their metabolites. Login to comment
360 The SNPs G39GC (allele frequency = 0.5%, in exon 1), C202T (1.6%, exon 2), C1037T (0.5%, exon 9), C1537A (0.5%, exon 12), G3890A (5.2%, exon 27) and G4267A (0.6%, exon 29) led to Lys13Asn, His68Tyr, Ser346Phe, Gln513Lys, Arg1297His and Gly1423Arg amino acid substitutions, respectively (Tablke 2). Login to comment

[hide] Pharmacogenetics of drug transporters in the enter... Pharmacogenomics. 2011 May;12(5):611-31. Stieger B, Meier PJ
Pharmacogenetics of drug transporters in the enterohepatic circulation.
Pharmacogenomics. 2011 May;12(5):611-31., [PMID:21619426]

Abstract [show]
This article summarizes the impact of the pharmacogenetics of drug transporters expressed in the enterohepatic circulation on the pharmacokinetics and pharmacodynamics of drugs. The role of pharmacogenetics in the function of drug transporter proteins in vitro is now well established and evidence is rapidly accumulating from in vivo pharmacokinetic studies, which suggests that genetic variants of drug transporter proteins can translate into clinically relevant phenotypes. However, a large amount of conflicting information on the clinical relevance of drug transporter proteins has so far precluded the emergence of a clear picture regarding the role of drug transporter pharmacogenetics in medical practice. This is very well exemplified by the case of P-glycoprotein (MDR1, ABCB1). The challenge is now to develop pharmacogenetic models with sufficient predictive power to allow for translation into drug therapy. This will require a combination of pharmacogenetics of drug transporters, drug metabolism and pharmacodynamics of the respective drugs.

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97 Gene name Transporter SNP Protein Population size (n) In vitro function Ref. Intestinal efflux transporters (cont.) ABCC2 MRP2 c.1249G>A p.V417I N/A Unchanged [221] c.1249G>A p.S789F N/A Reduced transport protein expression, no change in transport activity [221] c.1249G>A p.A1450T N/A Reduced transport protein expression, no change in transport activity [221] ABCC3 MRP3 c.32G>A p.G11D N/A Unchanged [222] c.1037C>T p.S346F N/A Reduced transport activity [222] c.1820G>A p.S607N N/A Reduced transport activity [222] c.2293G>C p.V765L N/A Unchanged [222] c.2758C>T p.P920S N/A Unchanged [222] c.2768G>A p.R923Q N/A Increased transport activity [222] c.3856G>C p.R1286G N/A Unchanged [222] c.3890G>A p.R1297H 52 Unchanged [131] c.4042C>T p.R1348C N/A Increased transport activity [222] c.4094A>G p.Q1365R N/A Unchanged [222] c.4141C>A p.R1381S N/A Unchanged [222] Liver uptake transporters SLCO1B1 OATP1B1 c.218T>C p.F73L N/A Increased Km , reduced protein synthesis and membrane expression [143] c.245T>C p.V82A N/A [143] c.388A>G p.N130D N/A Increased Km [143] c.455G>A p.R152K N/A [143] c.463C>A p.P155T N/A Unchanged [143] c.467A>G p.E156G N/A [143] c.521T>C p.V174A N/A Decreased Vmax , reduced transport protein expression [143] c.721G>A p.D241N N/A [143] c.1058T>C p.I353T N/A Increased Km , reduced transport protein expression [143] c.1294A>G p.N432D N/A Decreased Vmax [143] c.1385A>G p.D462G N/A Decreased Vmax [143] c.1463G>C p.G488A N/A Reduced intrinsic clearance, reduced transport protein expression [143] c.1964A>G p.D655G N/A Increased Km [143] c.2000A>G p.E667G N/A Unchanged [143] SLCO1B3 OATP1B3 c.334T>G p.S112A N/A Unchanged [223,224] c.439A>G p.T147A N/A Unchanged [223] c.699G>A p.M233I N/A Reduced transport activity, substrate-dependent alteration of Km [223,224] c.767G>C p.G256A N/A Unchanged [223] c.1559A>G p.H520P N/A Reduced transport activity [223] c.1564G>T p.G522C N/A Reduced transport activity [224] c.1679T>C p.V560A N/A Reduced transport activity [223] SLCO2B1 OATP2B1 c.43C>T p.P15S N/A Reduced transport activity [149] c.601G>A p.V201M N/A Reduced transport activity [149] c.1175C>T p.T392I N/A Reduced Vmax [148] For more information on members of the SLC superfamily of transporters please consult [301] and for more information of ABC transporters please consult [302]. Login to comment

[hide] Xenobiotic, bile acid, and cholesterol transporter... Pharmacol Rev. 2010 Mar;62(1):1-96. Epub 2010 Jan 26. Klaassen CD, Aleksunes LM
Xenobiotic, bile acid, and cholesterol transporters: function and regulation.
Pharmacol Rev. 2010 Mar;62(1):1-96. Epub 2010 Jan 26., [PMID:20103563]

Abstract [show]
Transporters influence the disposition of chemicals within the body by participating in absorption, distribution, and elimination. Transporters of the solute carrier family (SLC) comprise a variety of proteins, including organic cation transporters (OCT) 1 to 3, organic cation/carnitine transporters (OCTN) 1 to 3, organic anion transporters (OAT) 1 to 7, various organic anion transporting polypeptide isoforms, sodium taurocholate cotransporting polypeptide, apical sodium-dependent bile acid transporter, peptide transporters (PEPT) 1 and 2, concentrative nucleoside transporters (CNT) 1 to 3, equilibrative nucleoside transporter (ENT) 1 to 3, and multidrug and toxin extrusion transporters (MATE) 1 and 2, which mediate the uptake (except MATEs) of organic anions and cations as well as peptides and nucleosides. Efflux transporters of the ATP-binding cassette superfamily, such as ATP-binding cassette transporter A1 (ABCA1), multidrug resistance proteins (MDR) 1 and 2, bile salt export pump, multidrug resistance-associated proteins (MRP) 1 to 9, breast cancer resistance protein, and ATP-binding cassette subfamily G members 5 and 8, are responsible for the unidirectional export of endogenous and exogenous substances. Other efflux transporters [ATPase copper-transporting beta polypeptide (ATP7B) and ATPase class I type 8B member 1 (ATP8B1) as well as organic solute transporters (OST) alpha and beta] also play major roles in the transport of some endogenous chemicals across biological membranes. This review article provides a comprehensive overview of these transporters (both rodent and human) with regard to tissue distribution, subcellular localization, and substrate preferences. Because uptake and efflux transporters are expressed in multiple cell types, the roles of transporters in a variety of tissues, including the liver, kidneys, intestine, brain, heart, placenta, mammary glands, immune cells, and testes are discussed. Attention is also placed upon a variety of regulatory factors that influence transporter expression and function, including transcriptional activation and post-translational modifications as well as subcellular trafficking. Sex differences, ontogeny, and pharmacological and toxicological regulation of transporters are also addressed. Transporters are important transmembrane proteins that mediate the cellular entry and exit of a wide range of substrates throughout the body and thereby play important roles in human physiology, pharmacology, pathology, and toxicology.

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7118 Nucleotide Change Amino Acid Change In Vitro Function Protein Expression/Localization ABCC1 MRP1 G128C C43S 1↔ Intracellular C218T T73I 1↔ Normal C257T S92F 2↔ Normal C350T T117M 2↔ Normal G689A R230Q ↔ Normal G1057A V353M N.D. N.D. G1299T R433S 2↔ Normal G1898A R633Q 2↔ Normal G2012T G671V ↔ Normal G2168A R723Q 2 Normal G2965A A989T 2↔ Normal G3140C C1047S 1↔ Normal G3173A R1058Q ↔ Normal C4535T S1512L ↔ Normal ABCC2 MRP2 C-24T N.D. N.D. G1058A R353H N.D. N.D. G1249A V417I ↔ Normal C2366T S789F 12 Intracellular T2780G L927R N.D. N.D. C3298T R1100C N.D. N.D. G3299A R1100H N.D. N.D. T3563A V1188E N.D. N.D. G4348A A1450T ↔ Normal/Intracellular G4544A C1515Y N.D. N.D. ABCC3 MRP3 G32A G11D ↔ Normal C202T H68Y N.D. N.D. G296A R99Q N.D. Normal C1037T S346F 2 Normal C1537A Q513K N.D. N.D. T1643A L548Q N.D. N.D. G1820A S607N 2 Normal C2221T Gln741STOP N.D. N.D. G2293C V765L ↔ Normal G2395A V799M N.D. N.D. C2758T P920S 1 Normal G2768A R923Q 1 Normal C3657A S1219R N.D. N.D. C3856G R1286G ↔ Normal G3890A R1297H N.D. N.D. C4042T R1348C 1 Normal A4094G Q1365R ↔ Normal C4141A R1381S ↔ Intracellular C4217T T1406M N.D. N.D. G4267A G1423R N.D. N.D. ABCC4 MRP4 C52A L18I N.D. N.D. C232G P78A 2↔ Normal T551C M184T N.D. N.D. G559T G187W 2 Reduced A877G K293E ↔ Normal G912T K304N ↔ Normal C1067T T356M N.D. N.D. C1208T P403L 2↔ Normal G1460A G487E 2 Normal A1492G K498E ↔ Normal A1875G I625M N.D. N.D. C2000T P667L N.D. N.D. A2230G M744V ↔ Normal G2269A E757K N.D. Intracellular G2459T R820I N.D. N.D. G2560T V854F N.D. N.D. G2698T V900L N.D. N.D. G2867C C956S 1↔ Normal G3211A V1071I ↔ Normal C3425T T1142M N.D. N.D. G3659A R1220Q N.D. N.D. A3941G Q1314R N.D. N.D. 2, reduced function; 1, increased function; ↔, no change in function; N.D. not determined. Login to comment
7115 Nucleotide Change Amino Acid Change In Vitro Function Protein Expression/Localization ABCC1 MRP1 G128C C43S 1࢒ Intracellular C218T T73I 1࢒ Normal C257T S92F 2࢒ Normal C350T T117M 2࢒ Normal G689A R230Q ࢒ Normal G1057A V353M N.D. N.D. G1299T R433S 2࢒ Normal G1898A R633Q 2࢒ Normal G2012T G671V ࢒ Normal G2168A R723Q 2 Normal G2965A A989T 2࢒ Normal G3140C C1047S 1࢒ Normal G3173A R1058Q ࢒ Normal C4535T S1512L ࢒ Normal ABCC2 MRP2 C-24T N.D. N.D. G1058A R353H N.D. N.D. G1249A V417I ࢒ Normal C2366T S789F 12 Intracellular T2780G L927R N.D. N.D. C3298T R1100C N.D. N.D. G3299A R1100H N.D. N.D. T3563A V1188E N.D. N.D. G4348A A1450T ࢒ Normal/Intracellular G4544A C1515Y N.D. N.D. ABCC3 MRP3 G32A G11D ࢒ Normal C202T H68Y N.D. N.D. G296A R99Q N.D. Normal C1037T S346F 2 Normal C1537A Q513K N.D. N.D. T1643A L548Q N.D. N.D. G1820A S607N 2 Normal C2221T Gln741STOP N.D. N.D. G2293C V765L ࢒ Normal G2395A V799M N.D. N.D. C2758T P920S 1 Normal G2768A R923Q 1 Normal C3657A S1219R N.D. N.D. C3856G R1286G ࢒ Normal G3890A R1297H N.D. N.D. C4042T R1348C 1 Normal A4094G Q1365R ࢒ Normal C4141A R1381S ࢒ Intracellular C4217T T1406M N.D. N.D. G4267A G1423R N.D. N.D. ABCC4 MRP4 C52A L18I N.D. N.D. C232G P78A 2࢒ Normal T551C M184T N.D. N.D. G559T G187W 2 Reduced A877G K293E ࢒ Normal G912T K304N ࢒ Normal C1067T T356M N.D. N.D. C1208T P403L 2࢒ Normal G1460A G487E 2 Normal A1492G K498E ࢒ Normal A1875G I625M N.D. N.D. C2000T P667L N.D. N.D. A2230G M744V ࢒ Normal G2269A E757K N.D. Intracellular G2459T R820I N.D. N.D. G2560T V854F N.D. N.D. G2698T V900L N.D. N.D. G2867C C956S 1࢒ Normal G3211A V1071I ࢒ Normal C3425T T1142M N.D. N.D. G3659A R1220Q N.D. N.D. A3941G Q1314R N.D. N.D. 2, reduced function; 1, increased function; ࢒, no change in function; N.D. not determined. Login to comment

[hide] Functional analysis of nonsynonymous single nucleo... Pharmacogenet Genomics. 2008 Sep;18(9):823-33. Kobayashi K, Ito K, Takada T, Sugiyama Y, Suzuki H
Functional analysis of nonsynonymous single nucleotide polymorphism type ATP-binding cassette transmembrane transporter subfamily C member 3.
Pharmacogenet Genomics. 2008 Sep;18(9):823-33., [PMID:18698235]

Abstract [show]
OBJECTIVES: The multidrug resistance-associated protein 3/ATP-binding cassette transmembrane transporter subfamily C member 3 (MRP3/ABCC3) plays an important role in exporting endogenous and xenobiotic anionic substrates, including glucuronide conjugates of xenobiotics, from hepatocytes into the blood circulation. This excretory function of ABCC3 becomes very apparent particularly under cholestatic conditions, since ABCC3 is induced when the biliary excretion pathway is impaired. In this study, we analyzed the functional properties of 11 nonsynonymous single nucleotide polymorphisms (SNPs) in the ABCC3 gene found in the public SNP database. METHODS: HeLa and Sf9 insect cells were used to analyze the protein expression and transport function, respectively. RESULTS: After transient transfection of cDNA into HeLa cells, it was found that R1381S ABCC3 exhibits intracellular accumulation of immature protein, the localization of which was mostly merged with a marker for the endoplasmic reticulum. Two kinds of SNPs type ABCC3 (S346F and S607N) lost their transport activity for [H]estradiol-17beta-D-glucuronide in membrane vesicles from Sf9 cells infected with the recombinant baculoviruses, although the band length and the amount of protein expression remained normal. In contrast, the cellular localization, protein expression and function of other eight kinds of SNPs type ABCC3 (G11D, R99Q, V765L, P920S, R923Q, R1286G, R1348C, and Q1365R ABCC3) remained normal. CONCLUSION: The results of this study suggest that the possession of R1381S, S346F, and S607N types of ABCC3 sequences may be a possible risk factor for the acquisition of hepatotoxicity, due to their poor ability to transport toxic compounds across the sinusoidal membrane.

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5 Two kinds of SNPs type ABCC3 (S346F and S607N) lost their transport activity for [3 H]estradiol-17b-D-glucuronide in membrane vesicles from Sf9 cells infected with the recombinant baculoviruses, although the band length and the amount of protein expression remained normal. Login to comment
7 Conclusion The results of this study suggest that the possession of R1381S, S346F, and S607N types of ABCC3 sequences may be a possible risk factor for the acquisition of hepatotoxicity, due to their poor ability to transport toxic compounds across the sinusoidal membrane. Login to comment
40 Using site-directed mutagenesis, SNP-type ABCC3 (G11D, R99Q, S346F, S607N, V765L, P920S, R923Q, R1286G, R1348C, Q1365R, and R1381S ABCC3) was constructed on a pBluescript SK ( - ) vector. Login to comment
93 Protein expression of ATP-binding cassette transmembrane transporter subfamily C member 3 in HeLa cells The protein expression and modification of ABCC3 in HeLa cells were determined by Western blot analysis Fig. 1 G11D 0.18% R99Q 0.54% S346F 0.91% S607N 0.99% V765L 1.09% P920S 3.88% R923Q 0.55% R1286G 0.18% R1348C 1.65% R1381S 0.22% Q1365R 0.33% Outside Inside NBD2 NBD1 Predicted secondary structure of ATP-binding cassette transmembrane transporter subfamily C member 3 showing the position of the eleven nonsynonymous variants. Login to comment
118 Transport activities of the ATP-binding cassette transmembrane transporter subfamily C member 3 variants The transport function of wild-type and SNP-type ABCC3 was studied by examining the ATP-dependent uptake of [3 H]E217bG into membrane vesicles isolated from Sf9 cells infected with recombinant baculoviruses Table 1 Allele frequency of ABCC3 SNPs examined in this study Ethnic population SNP sequence Asian (%) African-American (%) Pacific islander (%) Mexican (%) Caucasian (%) SubSaharan- African (%) Total (%) Reference G11D 0.83 (120) 0 (160) 0 (12) 0 (100) 0 (160) 0.18 (552) PharmGKB 0.6 (178)a Fukushima-Uesaka et al. 0.5 (206) Lang et al. R99Q 0 (120) 1.88 (160) 0 (12) 0 (100) 0 (160) 0.54 (552) PharmGKB S346F 0 (120) 0.62 (160) 0 (12) 0 (100) 2.5 (160) 0.91 (552) PharmGKB 0.5 (206) Lang et al. S607N 0 (296) 2.76 (290) 0 (10) 1 (100) 0 (210) 0.99 (906) PharmGKB 11.7 (120) dbSNP V765L 0 (120) 3.12 (160) 0 (12) 1 (100) 0 (160) 1.09 (552) PharmGKB P920S 0 (292) 10.3 (290) 0 (12) 0 (100) 2.4 (280) 3.88 (902) PharmGKB R923Q 0 (108) 0.62 (160) 0 (12) 0 (100) 1.25 (160) 0.55 (550) PharmGKB R1286G 0 (120) 0.62 (160) 0 (12) 0 (100) 0 (160) 0.18 (552) PharmGKB R1348C 0 (298) 5.17 (290) 0 (12) 0 (100) 0 (210) 1.65 (910) PharmGKB 7.5 (120) dbSNP Q1365R 0 (298) 1.05 (286) 0 (12) 0 (100) 0 (208) 0.33 (904) PharmGKB R1381S 0 (298) 0 (290) 0 (12) 2 (100) 0 (210) 0.22 (910) PharmGKB Allele frequencies (%) in individual ethnic population are shown. Login to comment
124 ABCC3 SNP analysis Kobayashi et al. 827 Fig. WT R1381S G11D R99Q S346F S607N V765L P920S R923Q R1286G WT ABCC3 Calnexin Calnexin merge R1381S merge ABCC3 R1348C Q1365R (a) (b) Subcellular localization of ATP-binding cassette transmembrane transporter subfamily C member 3 (ABCC3) in HeLa cells. Login to comment
138 As shown in Fig. 7, for all SNP-type variants except for S346F and S607N ABCC3, ATP-dependent uptake normalized by the protein expression was similar to the wild-type ABCC3. Login to comment
139 In contrast, S346F and S607N ABCC3-mediated transport was hardly detectable. Login to comment
140 Discussion On account of its inducible nature under cholestatic conditions, ABCC3/Abcc3 is considered to provide a compensatory efflux pathway for endogenous and exo- Table 2 Corresponding amino acid residues in other ABCC family proteins Protein Species G11D R99Q S346F S607N V765L P920S R923Q R1286G R1348C Q1365R R1381S ABCC3 Human G R S S V P R R R Q R Abcc3 Mouse G S T N V T K R V Q R Abcc3 Rat G S T N V P K S F Q R ABCC1 Human S I D S V R N V I K R ABCC2 Human - A L G T K R K I K R ABCC4 Human - - L L V Q R E W K R ABCC5 Human - - L L L - D E K K R Amino acid residues in other ABCC family proteins at the corresponding positions to 11 amino acid residues in human ABCC3 examined in this study. Login to comment
142 Fig. 3 (a) (b) Treatment WT R1381S Endo HPNGaseEndo HPNGase 190 kDa 180 kDa 170 kDa 160 kDa 190 kDa 170 kDa 160 kDa WT G11D S346F R99Q S607N V765L P920S R923Q R1286G R1348C Q1365R R1381S pcDNA3.1(+) Western blot analysis of wild-type and single nucleotide polymorphism-type ATP-binding cassette transmembrane transporter subfamily C member 3 (ABCC3) proteins expressed in HeLa cells. Login to comment
150 It was found that R1381S ABCC3 accumulates in the ER as an immature form with a molecular weight of 160 kDa (Figs 2 and 3), whereas S346F and S607N ABCC3 lost their transport function (Fig. 7). Login to comment
160 Fig. 5 WT 170 kDa Band density 1.00 1.01 0.77 1.21 1.16 0.95 1.00 1.01 0.91 1.29 1.10 G11D S346F S607N V765L P920S R923Q R1286G R1348C Q1365R R1381S GFP Western blot analysis of wild-type or single nucleotide polymorphisms-type ATP-binding cassette transmembrane transporter subfamily C member 3 (ABCC3) proteins in membrane vesicles isolated from Sf9 cells. Login to comment
178 The transport function of S346F and S607N ABCC3 was shown to be reduced using E217bG as a substrate, although these two type ABCC3 SNPs were observed in abundance on the membrane surface of HeLa cells as wild-type ABCC3 (Fig. 2a). Login to comment
190 These are Q741Stop and Fig. 7 10 8 ATP-dependentuptakenormalizedbyrelative ABCC3expressionlevel(pmol/mgprotein/2min) 6 * * ** ** ** ** ** ** ** 4 2 WT G11D S346F S607N V765L P920S R923Q R1286G R1348C Q1365R R1381S GFP 0 Uptake of [3 H]estradiol-17b-D-glucuronide (E217bG) by ATP-binding cassette transmembrane transporter subfamily C member 3 (ABCC3) variants. Login to comment
200 In conclusion, we have analyzed 11 nonsynonymous SNPs found in the SNP database of ABCC3 and found that three of these are expected to be nonfunctional for clear reasons; the impaired function of S346F and S607N is because of impaired transport function, whereas that of R1381R is because of impaired intracellular trafficking. Login to comment

[hide] Genetic polymorphisms in the multidrug resistance-... Pharmacogenetics. 2004 Mar;14(3):155-64. Lang T, Hitzl M, Burk O, Mornhinweg E, Keil A, Kerb R, Klein K, Zanger UM, Eichelbaum M, Fromm MF
Genetic polymorphisms in the multidrug resistance-associated protein 3 (ABCC3, MRP3) gene and relationship to its mRNA and protein expression in human liver.
Pharmacogenetics. 2004 Mar;14(3):155-64., [PMID:15167703]

Abstract [show]
AIMS: To determine the genetic variability of multidrug resistance protein 3 (MRP3). METHODS: Genomic DNA samples from 103 Caucasians were systematically screened for genetic variations to find a potential relationship with hepatic MRP3 expression. Sequencing comprised all 31 exons, approximately 100 bp of the flanking intronic regions and 2 kb of the 5' UTR. RESULTS: In total, 51 mutations were identified. Fifteen SNPs were located in the coding exons of MRP3, six of which are nonsynonymous mutations. SNPs 39G>C (allele frequency: 0.5%, located in exon 1), 202C>T (1.6%, exon 2), 1037C>T (0.5%, exon 9), 1537C>A (0.5%, exon 12), 3890G>A (5.2%, exon 27) and 4267G>A (0.6%, exon 29) resulted in Lys13Asn, His68Tyr, Ser346Phe, Gln513Lys, Arg1297His and Gly1423Arg amino acid substitutions, respectively. A splice site mutation (1339-1G>T) was found at the intron 10-exon 11 boundary. To evaluate, whether mutations in the MRP3 gene correlate with human hepatic MRP3 expression, we analyzed the genetic variants in Caucasian liver samples, whose MRP3 mRNA (n = 84) and protein (n = 50) expression has been determined by real time quantitative PCR and Western Blot, respectively. We found a significant correlation of a polymorphism in the 5' promoter region (-211C>T) of MRP3 with mRNA expression. Individuals homozygous and heterozygous for the -211C>T promoter polymorphism had significantly lower MRP3 transcript levels compared to wild-type individuals (P < 0.05). Accordingly, electrophoretic mobility shift assay demonstrated that -211C>T polymorphism affected the binding of nuclear factors. CONCLUSIONS: Multiple genetic polymorphisms of MRP3 exist in Caucasians. The -211C>T promoter polymorphism appears to be associated with altered hepatic MRP3 mRNA expression.

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No. Sentence Comment
5 SNPs 39G>C (allele frequency: 0.5%, located in exon 1), 202C>T (1.6%, exon 2), 1037C>T (0.5%, exon 9), 1537C>A (0.5%, exon 12), 3890G>A (5.2%, exon 27) and 4267G>A (0.6%, exon 29) resulted in Lys13Asn, His68Tyr, Ser346Phe, Gln513Lys, Arg1297His and Gly1423Arg amino acid substitutions, respectively. Login to comment
75 Six mutations located in exon 1 (39G.C; Lys13Asn; allele frequency: 0.5%), exon 2 (202C.T; His68Tyr; 1.6%), exon 9 (1037C.T; Ser346Phe; 0.5%), exon 12 (1537C. Login to comment
100 Table 2 Polymorphisms identified in the MRP3 gene and frequencies of MRP3 mutations estimated among 103 Caucasian individuals Frequency (%) SNP ID 5` Sequence Genetic variation 3` Sequence Region Effect Alleles n Heterozygous Homozygous NCBI SNP ID 1 GAAGCCGGTG À1942G.T GTAGACAAGG Promoter 186 2.2, 0.4-6.6 (2.2) 0.0, 0.0-3.2 (0.0) 2 AGTCCCAGAG À1767G.A CATCAAGGAG Promoter 186 22.6, 15.7-30.9 (21.7) 1.1, 0.1-5.0 (1.5) rs1989983 3 GAGGTGGCTT À1328G.A CCCCTTCTGC Promoter 190 12.6, 7.5-19.7 (11.8) 0, 0.0-3.1 (0.4) 4 GGCTCCCACC À1298C.G ACACCTGCCG Promoter 192 2.1, 0.4-6.4 (2.1) 0, 0.0-3.1 (0.0) 5 TGAAACTGGA À1213C.G AGACCTGTGG Promoter 184 21.7, 14.9-30.0 (21.1) 1.1, 0.1-5.1 (1.4) 6 CCCCAACAAG À1134C.T GGTGCTGAGT Promoter 190 4.2, 1.5-9.4 (4.1) 0.0, 0.0-3.1 (0.0) rs4148403 7 ACCTGTCCTT À897delC CCCCCCCAAC Promoter 196 45.9, 37.3-54.7 (43.7) 9.2, 4.9-15.5 (10.3) rs4148404 8 CAGAGGGAAT À860T.G CACACATGTT Promoter 188 1.1, 0.1-4.9 (1.1) 0.0, 0.0-3.1 (0.0) 9 TCCCCCTGGC À260T.A TGGCCCAGGG Promoter 180 23.9, 16.8-32.4 (20.9) 1.1, 0.1-5.1 (1.6) 10 AGGGCCCCCC À211C.T ACCTCTGCCC Promoter 198 58.6, 49.8-67.0 (50.0) 21.2, 13.8-28.0 (24.5) rs4793665 11 TGGGTCCGAC À35C.A GCGCTCGCCT Exon 1 non-coding 196 1.0, 0.1-4.7 (1.0) 0.0, 0.0-3.0 (0.0) 12 TCGGCTCCAA 39G.C TTCTGGGTAA Exon 1 K13N 198 1.0, 0.1-4.7 (1.0) 0.0, 0.0-3.0 (0.0) 13 TTCTCTGTGT 46-6C.T CCCAGGACTC Intron 1 192 1.0, 0.1-4.8 (1.0) 0.0, 0.0-3.1 (0.0) 14 ACCTGTGGGT 141C.T GCCCTGCCCT Exon 2 silent 192 1.0, 0.1-4.8 (1.0) 0.0, 0.0-3.1 (0.0) 15 CATCCTCTCC 202C.T ACCTGTCCAA Exon 2 H68Y 192 3.1, 0.9-7.9 (3.1) 0.0, 0.0-3.1 (0.0) 16 CCAACCTGTG 223-12C.T TCTCTTCGCA Intron 2 202 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 17 GGGAAGAAGA 349-102A.C GGGGGTGGCC Intron 3 192 1.0, 0.1-4.8 (1.0) 0.0, 0.0-3.1 (0.0) 18 GGGGTGGCCC 349-90C.T AGAAACTTCT Intron 3 192 1.0, 0.1-4.8 (1.0) 0.0, 0.0-3.1 (0.0) 19 GAGAAATGGA 349-53G.A GCAGGTCCAG Intron 3 196 5.1, 2.0-10.4 (5.0) 0.0, 0.0-3.0 (0.1) rs2301836 20 CAGCCCCCAA 612þ73C.A CCCTCCAGTT Intron 5 166 10.8, 5.8-18.2 (10.2) 0.0, 0.0-3.5 (0.2) 21 TGATTCCCCC 613-22G.A TCCTATTCTC Intron 5 168 45.2, 36.0-54.8 (40.8) 6.0, 2.4-12.1 (8.2) rs739923 22 ACCCACTGCT 807-18C.T CTTCCTCCCT Intron 7 176 12.5, 7.2-19.8 (13.6) 1.1, 0.1-5.3 (0.6) rs2301837 23 TCCACACTCC 998þ16G.A GCTCACTATA Intron 8 154 7.8, 3.4-14.8 (7.5) 0.0, 0.0-3.8 (0.1) 24 ATGGCCCCCT 1037C.T CTGGTGGGGC Exon 9 S346F 202 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 25 TGCTTCCTGC 1339-107C.G CATCTACACA Intron 10 170 1.2, 0.1-5.5 (1.2) 0.0, 0.0-3.5 (0.0) 26 TGCCTCCTCA 1339-1G.T AACCTAGGTC Intron 10/Exon 11 splice site 174 1.1, 0.1-5.3 (1.1) 0.0, 0.0-3.4 (0.0) 27 TGAAGCTGTA 1512C.T GCCTGGGAGC Exon 12 silent 204 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 28 CTTCCTGAAG 1537C.A AGGTGGAGGG Exon 12 Q513K 204 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 29 GGAGGGCATC 1552A.C GGCAGGGTGA Exon 12 silent 202 6.9, 3.3-12.6 (6.7) 0.0, 0.0-2.9 (0.1) 30 CTTCCTGGTG 1635þ4delA GGCTTGGCAC Intron 12 splice site consenus 204 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 31 TGCTGGACGC 1695C.T GAGAAGGCCT Exon 13 silent 204 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 32 GTCCTCCTTT 1871-79C.T CCCTGCCCCC Intron 14 202 23.8, 17.0-31.8 (22.5) 75.2, 67.2-82.2 (75.8) rs879459 33 TTCCCTGCCC 1871-70C.G CCAGCCTCCC Intron 14 202 1.0, 0.1-4.6 (1.0) 0.0, 0.0-2.9 (0.0) 34 CTCCCTGACC 1871-22C.G TGCCCACCTT Intron 14 202 2.0, 0.4-6.1 (2.0) 0.0, 0.0-2.9 (0.0) 35 ACCTGCCCCC 1926C.A ACTCTGCACA Exon 15 silent 202 3.0, 0.8-7.5 (3.0) 0.0, 0.0-2.9 (0.0) 36 AGATTGGAGA 2238G.A AAGGTACAGA Exon 17 silent 166 1.2, 0.1-5.6 (1.2) 0.0, 0.0-3.5 (0.0) 37 AAGAGGCTAG 2241þ34G.C GCATAGAGCT Intron 17 166 41.0, 31.8-50.6 (42,0) 49.4, 39.9-58.9 (48.8) 38 TTCACACATT 2241þ97G.A GTGTAACGTT Intron 17 160 6.3, 2.5-12.7 (6.7) 1.3, 0.1-5.8 (0.3) 39 CCTTTCAATC 2600-123C.T CCCTCATTTT Intron 19 196 55.1, 46.3-63.7 (47.4) 11.2, 6.4-17.9 (15.0) rs4148415 40 CCAGCCCTCC 2714þ29C.T GGAGGCTGTA Intron 20 196 52.0, 43.3-60.7 (46.7) 11.2, 6.4-17.9 (13.9) rs2072365 41 GGCCTCCCCA 2714þ53A.G GCCCTGCCAG Intron 20 196 46.9, 38.3-55.7 (43.3) 8.2, 4.1-14.2 (10.0) rs2072366 42 TGAGGCTGGG 3039C.T GTCTATGCTG Exon 22 silent 156 10.3, 5.2-17.7 (12.1) 1.3, 0.1-5.9 (0.4) rs4148416 43 CCCCCCAAAC 3067þ71C.T GTGCCCTTGC Intron 22 180 20.0, 13.3-28.2 (19.8) 1.1, 0.1-5.2 (1.2) 44 TTATTGGGGC 3378þ47G.A GGGCAACACA Intron 23 202 11.9, 7.0-18.5 (11.2) 0.0, 0.0-2.9 (0.4) 45 ACACATGGGC 3378þ63G.T GGGGCAGCAG Intron 23 202 3.0, 0.8-7.5 (3.0) 0.0, 0.0-2.9 (0.0) 46 TCCCTCCTTT 3579-66C.T CCCTAAGCAG Intron 24 196 10.2, 5.6-16.7 (9.7) 0.0, 0.0-3.0 (0.3) rs967935 47 TATTCTGTGC 3890G.A CTACCGGCCG Exon 27 R1297H 192 10.4, 5.8-17.0 (9.9) 0.0, 0.0-3.1 (0.3) 48 TGCATGTGCA 3942C.T GGTGGCGAGA Exon 27 silent 192 30.2, 22.5-38.8 (31.1) 4.2, 1.4-9.3 (3.8) rs2277624 49 AGGTACGCGT 3954þ9G.T GGGTAGGCGG Intron 27 192 1.0, 0.1-4.8 (1.0) 0.0, 0.0-3.1 (0.0) 50 CTCAGAGGGC 4267G.A GGGAGAATCT Exon 29 G1423R 180 1.1, 0.1-5.2 (1.1) 0.0, 0.0-3.3 (0.0) 51 TAGTAGCTGA 4509A.G TTTGATTCTC Exon 31 silent 176 22.7, 15.6-31.3 (21.9) 1.1, 0.1-5.3 (1.6) rs1051640 SNPs with the ID 6, 7, 19, 21, 22, 32, 39, 40, 41, 42, 46, 48 and 51 previously reported by Saito et al. [13]. Login to comment
104 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 16 75 117 163 205 226 269 333 393 447 478 595 624 646 689 748 804 867 905 954 1023 1127 1199 1236 1270 1319 1372 1427 1493546 K13N H68Y S346F Q513K R1297H G1423R splice site mutation SNPs: P Exon: H2N out membrane in TMDs ATP TMDs ATP COOH Fig. 1 MRP3 gene and predicted two-dimensional protein structure using the MRP3 protein topology of Swiss-Prot O15438. Login to comment