Receptors, Nicotinicalpha7 Nicotinic Acetylcholine ReceptorNicotinic AntagonistsNicotinic AgonistsAcetylcholineTorpedoBungarotoxinsNicotineReceptors, CholinergicConotoxinsAconitineAzocinesMecamylamineQuinolizinesDihydro-beta-ErythroidineBicyclo Compounds, HeterocyclicElectric OrganCobra Neurotoxin ProteinsCholinergic AgentsTubocurarineXenopus laevisProtein SubunitsAzetidinesPyridinesMyasthenia GravisDimethylphenylpiperazinium IodideCarbacholReceptors, MuscarinicOocytesAmphibian VenomsNeuronsNeuromuscular JunctionAnabasineMusclesDose-Response Relationship, DrugBenzylidene CompoundsPatch-Clamp TechniquesGanglionic StimulantsCholinergic AgonistsMolecular Sequence DataGalantamineAmino Acid SequenceBinding SitesAlkaloidsAzirinesAgrinIon ChannelsXenopusHexamethoniumCholinergic AntagonistsVesicular Acetylcholine Transport ProteinsCholineMollusk VenomsRadioligand AssayElectrophysiologyDrug Partial AgonismRats, Sprague-DawleyBinding, CompetitiveLigandsMembrane PotentialsGanglia, ParasympatheticConus SnailTobacco Use DisorderPhotoaffinity LabelsCholinesterase InhibitorsKineticsProtein BindingMuscarinic AgonistsIon Channel GatingQuinoxalinesMotor EndplateProadifenSynaptic TransmissionReceptor, Muscarinic M1Nitro CompoundsBenzazepinesReceptor AggregationReceptors, Serotonin, 5-HT3Macromolecular SubstancesMuscarinic AntagonistsModels, MolecularCells, CulturedAllosteric RegulationBicyclo CompoundsMyasthenic Syndromes, CongenitalBrainCell LineReceptor, Muscarinic M3Receptor, Muscarinic M2IsoxazolesSynaptic MembranesCell MembraneStructure-Activity RelationshipElectrophorusErabutoxinsNeurotoxinsCalciumDecamethonium CompoundsLobelineAzabicyclo Compounds