Allosteric SiteAllosteric RegulationGallamine TriethiodideBinding SitesModels, MolecularRadioligand AssayCrystallography, X-RayKineticsLigandsProtein BindingMutagenesis, Site-DirectedAmino Acid SequenceMolecular Sequence DataProtein Structure, TertiaryProtein ConformationN-MethylscopolamineAspartate CarbamoyltransferaseReceptor, Muscarinic M1Phosphofructokinase-1Structure-Activity RelationshipPhthalimides