ABCMdb

ABCC4 p.Met1272Val

Predicted by SNAP2:	A: N (57%), C: N (57%), D: D (71%), E: D (66%), F: N (57%), G: D (63%), H: D (59%), I: N (61%), K: D (63%), L: N (82%), N: D (63%), P: D (75%), Q: N (53%), R: D (71%), S: D (53%), T: D (59%), V: N (61%), W: D (66%), Y: N (53%),
Predicted by PROVEAN:	A: D, C: D, D: D, E: D, F: D, G: D, H: D, I: D, K: D, L: N, N: D, P: D, Q: D, R: D, S: D, T: D, V: D, W: D, Y: D,

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Publications
[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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191 MRP4 protein has been detected in human kidney (van Aubel et al., 2002), lung (Torky et al., 2005), liver (Rius et al., 2003), prostate (Lee et al., 2000), brain (Nies et al., 2004), pancreas (König et al., 2005), lymphocytes (Schuetz et al., 1999), and platelets Figure 4 Predicted membrance topology of MRP4 (ABCC4) based on hydrophobicity analysis. Locations of the non-synonymous polymorphisms are indicated with arrows. See Table 4 for allele frequencies and description of funtional consequences. NH2 COOH NBD NBD Val854Phe Ile18Leu Ile866Val Arg531Gln Tyr556Cys Thr1142Met Glu757Lys Val776Ile Gly187Trp Lys304Asn in out Membrane Cys171Gly Pro403Leu Lys498Glu Met744Val Met1272Val MRP4 (ABCC4) COOH NBD NBD Val854Phe Ile866Val Arg531Gln Tyr556Cys Thr1142Met Glu757Lys Val776Ile Gly187Trp Lys304AsnCys171Gly Pro403Leu Lys498Glu Met744Val Met1272Val COOH NBD NBD Val854Phe Ile866Val Arg531Gln Tyr556Cys Thr1142Met Glu757Lys Val776Ile Gly187Trp Lys304AsnCys171Gly Pro403Leu Lys498Glu Met744Val Met1272Val (Jedlitschky et al., 2004). Login to comment
236 Following the discovery and Table 4 MRP4 (ABCC4) 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 52A>C Ile18Leu Exon 1 - 1.1 [1] 0 [2] - No influence on expression and localization in liver [1] rs11568681 511T>G Cys171Gly Exon 4 - 0 [1] [2] - - rs4148460 559G>T Gly187Trp Exon 5 - 2.2 [1] 0 [2] - No influence on expression and localization in liver [1] rs11568658 912G>T Lys304Asn Exon 8 - 9.9 [1] [2] - No influence on expression and localization in liver [1] rs2274407 1208T>C Pro403Leu Exon 9 - - - - - rs11568705 1492A>G Lys498Glu Exon 11 - - - - - rs11568669 1592G>A Arg531Gln Exon 12 - 0.6 [1] 0 [2] - No influence on expression and localization in liver [1] 1667A>G Tyr556Cys Exon 13 - 0.6 [1] 0 [2] - No influence on expression and localization in liver [1] 2230A>G Met744Val Exon 18 - - - - - rs9282570 2269G>A Glu757Lys Exon 18 - 0.6 [1] [2] - No influence on expression and localization in liver [1] rs3765534 2326G>A Val776Ile Exon 19 - 0.6 [1] 0 [2] - No influence on expression and localization in liver [1] 2560G>T Val854Phe Exon 21 - 1.7 [1] 0 [2] - No influence on expression and localization in liver [1] rs11568694 2596A>G Ile866Val Exon 21 - 2.8 [1] 0 [2] - No influence on expression and localization in liver [1] 3425C>T Thr1142Met Exon 27 - 1.6 [1] 0 [2] - No influence on expression and localization in liver [1] rs11568644 3814A>G Met1272Val Exon 30 - - - - - rs1134217 Reference without frequency means that SNP was detected but no frequency determined. Login to comment