@article {Spalding, author = {Tracy A Spalding and Jian-Nong Ma and Thomas R Ott and Mikael Friberg and Abhishek Bajpai and Stefania Risso Bradley and Robert E Davis and Mark R Brann and Ethan S Burstein}, title = {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}, year = {2006}, doi = {10.1124/mol.106.024901}, publisher = {American Society for Pharmacology and Experimental Therapeutics}, issn = {0026-895X}, URL = {https://molpharm.aspetjournals.org/content/early/2006/09/14/mol.106.024901}, eprint = {https://molpharm.aspetjournals.org/content/early/2006/09/14/mol.106.024901.full.pdf}, journal = {Molecular Pharmacology} }