BungarotoxinsAcetylcholineReceptors, NicotinicReceptors, Cholinergicalpha7 Nicotinic Acetylcholine ReceptorTorpedoNicotinic AntagonistsNicotinic AgonistsReceptors, MuscarinicNicotineElectric OrganMyasthenia GravisNeuromuscular JunctionCarbacholTubocurarineConotoxinsAconitineReceptor, Muscarinic M1Cobra Neurotoxin ProteinsMusclesAgrinAzocinesReceptor, Muscarinic M3Receptor, Muscarinic M2Cholinergic AgentsMecamylamineMuscarinic AgonistsQuinuclidinyl BenzilateBicyclo Compounds, HeterocyclicDihydro-beta-ErythroidineMuscarinic AntagonistsQuinolizinesVesicular Acetylcholine Transport ProteinsN-MethylscopolamineMotor EndplateAmphibian VenomsCholinergic AgonistsAtropineMolecular Sequence DataReceptor, Muscarinic M4Binding SitesAmino Acid SequenceElectrophorusXenopus laevisMuscle DenervationMyasthenic Syndromes, CongenitalProtein BindingReceptor AggregationOxotremorineDose-Response Relationship, DrugSynaptic MembranesAcetylcholinesteraseProtein SubunitsCholinesterase InhibitorsCholinergic AntagonistsNeuronsKineticsCholinePhysostigmineParasympathomimeticsBinding, CompetitiveIon ChannelsDecamethonium CompoundsGallamine TriethiodideOocytesPyridinesMembrane PotentialsReceptor, Muscarinic M5ParasympatholyticsDimethylphenylpiperazinium IodideCell LinePatch-Clamp TechniquesAzetidinesMacromolecular SubstancesCells, CulturedLigandsXenopusElectrophysiologyAnabasineSynaptic TransmissionGanglia, ParasympatheticCell MembranePirenzepineMyasthenia Gravis, Autoimmune, ExperimentalSnakesCurareCalciumRadioligand AssayGanglionic StimulantsRats, Sprague-DawleyModels, MolecularCholine O-AcetyltransferaseGalantamineBenzylidene CompoundsProadifenProtein ConformationAlkaloidsHexamethoniumProtein Structure, TertiaryChick Embryo