Receptors, Nicotinicalpha7 Nicotinic Acetylcholine ReceptorNicotinic AntagonistsNicotinic AgonistsAcetylcholineTorpedoBungarotoxinsNicotineReceptors, CholinergicConotoxinsAconitineAzocinesMecamylamineBicyclo Compounds, HeterocyclicDihydro-beta-ErythroidineQuinolizinesElectric OrganCobra Neurotoxin ProteinsCholinergic AgentsTubocurarinePyridinesXenopus laevisAzetidinesProtein SubunitsReceptors, MuscarinicDimethylphenylpiperazinium IodideMyasthenia GravisCarbacholDose-Response Relationship, DrugNeuronsAmphibian VenomsOocytesNeuromuscular JunctionAnabasineMusclesBenzylidene CompoundsPatch-Clamp TechniquesGanglionic StimulantsCholinergic AgonistsGalantamineRats, Sprague-DawleyAlkaloidsAmino Acid SequenceCholinergic AntagonistsMolecular Sequence DataMuscarinic AntagonistsAzirinesIon ChannelsBinding SitesHexamethoniumRadioligand AssayAgrinBinding, CompetitiveXenopusElectrophysiologyVesicular Acetylcholine Transport ProteinsMollusk VenomsCholineDrug Partial AgonismLigandsMembrane PotentialsGanglia, ParasympatheticBenzazepinesMuscarinic AgonistsQuinoxalinesCholinesterase InhibitorsTobacco Use DisorderSynaptic TransmissionPhotoaffinity LabelsConus SnailReceptor, Muscarinic M1Receptors, Serotonin, 5-HT3Cells, CulturedIon Channel GatingKineticsMotor EndplateProadifenBicyclo CompoundsNitro CompoundsReceptor, Muscarinic M3Cell LineBrainReceptor, Muscarinic M2Protein BindingReceptor AggregationAllosteric RegulationCalciumIsoxazolesMyasthenic Syndromes, CongenitalAtropineModels, MolecularStructure-Activity RelationshipNeurotoxinsSynaptic MembranesErabutoxinsPhencyclidineElectrophorusDecamethonium CompoundsQuinuclidinesCell Membrane