RT Journal Article SR Electronic T1 Five Amino Acids in the Innermost Cavity of the Substrate Binding Cleft of Organic Cation Transporter 1 Interact with Extracellular and Intracellular Corticosterone JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.109.054783 A1 Christopher Volk A1 Valentin Gorboulev A1 Alexander Kotzsch A1 Thomas D. Mueller A1 Hermann Koepsell YR 2009 UL http://molpharm.aspetjournals.org/content/early/2009/05/12/mol.109.054783.abstract AB