Title : Allosteric site on muscarinic acetylcholine receptors: identification of two amino acids in the muscarinic M2 receptor that account entirely for the M2\/M5 subtype selectivities of some structurally diverse allosteric ligands in N-methylscopolamine-occupied receptors - Voigtlander_2003_Mol.Pharmacol_64_21
Title : Elevation of ligand binding to muscarinic M(2) acetylcholine receptors by bis(ammonio)alkane-type allosteric modulators - Raasch_2002_J.Med.Chem_45_3809