PT - JOURNAL ARTICLE AU - Tracy A Spalding AU - Jian-Nong Ma AU - Thomas R Ott AU - Mikael Friberg AU - Abhishek Bajpai AU - Stefania Risso Bradley AU - Robert E Davis AU - Mark R Brann AU - Ethan S Burstein TI - Structural Requirements of Transmembrane Domain 3 for Activation by the M1 Muscarinic Receptor Agonists AC-42, AC-260584, Clozapine and N-desmethylclozapine: Evidence for three distinct modes of receptor activation AID - 10.1124/mol.106.024901 DP - 2006 Sep 07 TA - Molecular Pharmacology 4099 - http://molpharm.aspetjournals.org/content/early/2006/09/07/mol.106.024901.short 4100 - http://molpharm.aspetjournals.org/content/early/2006/09/07/mol.106.024901.full