RT Journal Article SR Electronic T1 Conformational Flexibility of Helix VI is Essential for Substrate Permeation of the Human Apical Sodium-dependent Bile Acid Transporter (ASBT) JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.107.041640 A1 Naissan Hussainzada A1 Akash Khandelwal A1 Peter W. Swaan YR 2007 UL http://molpharm.aspetjournals.org/content/early/2007/10/30/mol.107.041640.abstract AB