BungarotoxinsAcetylcholineReceptors, NicotinicReceptors, Cholinergicalpha7 Nicotinic Acetylcholine ReceptorTorpedoNicotinic AntagonistsNicotinic AgonistsReceptors, MuscarinicNicotineElectric OrganMyasthenia GravisSensitivity and SpecificityNeuromuscular JunctionCarbacholTubocurarineConotoxinsSubstrate SpecificityAconitineReceptor, Muscarinic M1Cobra Neurotoxin ProteinsMusclesAzocinesAgrinReceptor, Muscarinic M3Receptor, Muscarinic M2Cholinergic AgentsMecamylamineMuscarinic AgonistsQuinuclidinyl BenzilateDihydro-beta-ErythroidineBicyclo Compounds, HeterocyclicMolecular Sequence DataMuscarinic AntagonistsQuinolizinesVesicular Acetylcholine Transport ProteinsAmino Acid SequenceN-MethylscopolamineMotor EndplateAmphibian VenomsAtropineCholinergic AgonistsReceptor, Muscarinic M4ElectrophorusXenopus laevisBinding SitesMuscle DenervationMyasthenic Syndromes, CongenitalKineticsReceptor AggregationOxotremorineDose-Response Relationship, DrugSynaptic MembranesAcetylcholinesteraseCholinesterase InhibitorsProtein SubunitsNeuronsCholineCholinergic AntagonistsPhysostigmineParasympathomimeticsIon ChannelsDecamethonium CompoundsBinding, CompetitiveOocytesGallamine TriethiodideAntibody SpecificityMembrane PotentialsPyridinesReceptor, Muscarinic M5ParasympatholyticsDimethylphenylpiperazinium IodideProtein BindingCell LinePatch-Clamp TechniquesAzetidinesCells, CulturedMacromolecular SubstancesElectrophysiologyModels, MolecularXenopusLigandsSynaptic TransmissionAnabasineGanglia, ParasympatheticCell MembranePirenzepineMyasthenia Gravis, Autoimmune, ExperimentalSnakesCurareRats, Sprague-DawleyGanglionic StimulantsRadioligand AssayCalciumSpecies SpecificityStructure-Activity RelationshipBase SequenceCholine O-AcetyltransferaseGalantamineProtein Conformation