Receptors, Nicotinicalpha7 Nicotinic Acetylcholine ReceptorNicotinic AntagonistsNicotinic AgonistsAcetylcholineTorpedoBungarotoxinsNicotineReceptors, CholinergicConotoxinsAconitineAzocinesMecamylamineBicyclo Compounds, HeterocyclicQuinolizinesDihydro-beta-ErythroidineElectric OrganCobra Neurotoxin ProteinsCholinergic AgentsTubocurarineXenopus laevisProtein SubunitsAzetidinesPyridinesMyasthenia GravisDimethylphenylpiperazinium IodideReceptors, MuscarinicCarbacholOocytesAmphibian VenomsNeuronsNeuromuscular JunctionAnabasineDose-Response Relationship, DrugMusclesPatch-Clamp TechniquesBenzylidene CompoundsGanglionic StimulantsMolecular Sequence DataAmino Acid SequenceCholinergic AgonistsBinding SitesGalantamineAlkaloidsIon ChannelsAzirinesAgrinXenopusHexamethoniumRadioligand AssayCholinergic AntagonistsVesicular Acetylcholine Transport ProteinsRats, Sprague-DawleyCholineMollusk VenomsElectrophysiologyBinding, CompetitiveDrug Partial AgonismLigandsMembrane PotentialsGanglia, ParasympatheticConus SnailKineticsProtein BindingTobacco Use DisorderPhotoaffinity LabelsMuscarinic AgonistsCholinesterase InhibitorsReceptor, Muscarinic M1QuinoxalinesIon Channel GatingSynaptic TransmissionMuscarinic AntagonistsMotor EndplateBenzazepinesProadifenCells, CulturedNitro CompoundsReceptors, Serotonin, 5-HT3Receptor, Muscarinic M3Cell LineBrainReceptor AggregationReceptor, Muscarinic M2Models, MolecularMacromolecular SubstancesAllosteric RegulationBicyclo CompoundsMyasthenic Syndromes, CongenitalStructure-Activity RelationshipCell MembraneIsoxazolesCalciumSynaptic MembranesNeurotoxinsElectrophorusErabutoxinsProtein ConformationAzabicyclo CompoundsDecamethonium Compounds