RT Journal Article SR Electronic T1 Functional Role of Arginine 375 in Transmembrane Helix 6 of Multidrug Resistance Protein 4 (MRP4/ABCC4) JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.107.043661 A1 Azza A.K. El-Sheikh A1 Jeroen J.M.W. van den Heuvel A1 Elmar Krieger A1 Frans G.M. Russel A1 Jan B. Koenderink YR 2008 UL http://molpharm.aspetjournals.org/content/early/2008/07/09/mol.107.043661.abstract AB