BungarotoxinsAcetylcholineReceptors, NicotinicReceptors, Cholinergicalpha7 Nicotinic Acetylcholine ReceptorTorpedoNicotinic AntagonistsNicotinic AgonistsReceptors, MuscarinicElectric OrganCell MembraneNicotineMembranesMembrane PotentialsMyasthenia GravisMembrane LipidsNeuromuscular JunctionCarbacholIntracellular MembranesTubocurarineConotoxinsMusclesAconitineReceptor, Muscarinic M1Cobra Neurotoxin ProteinsAgrinMembranes, ArtificialAzocinesReceptor, Muscarinic M3Receptor, Muscarinic M2Cholinergic AgentsMecamylamineMuscarinic AgonistsSynaptic MembranesQuinuclidinyl BenzilateBicyclo Compounds, HeterocyclicDihydro-beta-ErythroidineMuscarinic AntagonistsQuinolizinesVesicular Acetylcholine Transport ProteinsMembrane FluidityMotor EndplateN-MethylscopolamineAmphibian VenomsCholinergic AgonistsAtropineErythrocyte MembraneIon ChannelsXenopus laevisReceptor, Muscarinic M4Dose-Response Relationship, DrugCell Membrane PermeabilityElectrophorusMolecular Sequence DataAmino Acid SequenceCell LineMuscle DenervationNeuronsMyasthenic Syndromes, CongenitalReceptor AggregationCalciumBinding SitesCells, CulturedBasement MembraneOxotremorineProtein SubunitsAcetylcholinesteraseProtein BindingCholineKineticsOocytesPatch-Clamp TechniquesCholinesterase InhibitorsElectrophysiologyParasympathomimeticsCholinergic AntagonistsPhysostigmineBinding, CompetitiveDecamethonium CompoundsPyridinesGallamine TriethiodideMacromolecular SubstancesMicroscopy, ElectronParasympatholyticsReceptor, Muscarinic M5Dimethylphenylpiperazinium IodideRats, Sprague-DawleyXenopusSynaptic TransmissionProtein Structure, TertiaryAzetidinesMembrane Transport ProteinsProtein ConformationTime FactorsModels, MolecularLipid BilayersGanglia, ParasympatheticMembrane GlycoproteinsLigandsModels, Biological