Receptors, Nicotinicalpha7 Nicotinic Acetylcholine ReceptorNicotineNicotinic AgonistsNicotinic AntagonistsBicyclo Compounds, HeterocyclicConotoxinsAconitineProtein SubunitsPyridinesMice, Inbred C57BLMice, KnockoutNeuronsMolecular Sequence DataAmino Acid SequenceAzocinesMacromolecular SubstancesBungarotoxinsQuinolizinesMecamylamineDihydro-beta-ErythroidineTorpedoBase SequenceBinding SitesProtein BindingMutationProtein ConformationCloning, MolecularModels, MolecularKineticsEscherichia coliProtein Structure, TertiarySequence Homology, Amino AcidAzetidinesAcetylcholineCholinergic AgentsProton-Translocating ATPasesBicyclo CompoundsRecombinant ProteinsXenopus laevisMolecular WeightCell LineElectrophoresis, Polyacrylamide GelRNA, MessengerPatch-Clamp TechniquesOocytesAnabasineMutagenesis, Site-DirectedDose-Response Relationship, DrugStructure-Activity RelationshipCells, CulturedVaccines, SubunitSaccharomyces cerevisiaeSequence AlignmentVacuolar Proton-Translocating ATPasesXenopusPhosphorylationRats, Sprague-DawleyPeptide FragmentsRecombinant Fusion ProteinsTransfectionGlycoprotein Hormones, alpha SubunitBenzylidene CompoundsReceptors, GABA-ACell MembraneCobra Neurotoxin ProteinsDNA, ComplementaryElectrophysiologyTranscription, GeneticGalantamineAlkaloidsCattleProtein Structure, SecondaryBlotting, WesternBrainProtein Structure, QuaternaryIon Channel GatingIsoxazolesPhotoaffinity LabelsElectron Transport Complex IVAllosteric RegulationSignal TransductionDimethylphenylpiperazinium IodideLigandsRadioligand AssayDrug Partial AgonismHippocampusDimerizationDNA PrimersProtein Phosphatase 2DNASaccharomyces cerevisiae ProteinsCholinergic AgonistsAzabicyclo CompoundsMembrane PotentialsGene Expression RegulationPhosphoprotein PhosphatasesReceptors, N-Methyl-D-AspartateCalciumGene Expression