Membrane PotentialsCell MembraneMembranesIntracellular MembranesMembrane LipidsMembranes, ArtificialMembrane Potential, MitochondrialPotassiumCell Membrane PermeabilityErythrocyte MembraneMembrane FluidityAction PotentialsCalciumElectrophysiologyPatch-Clamp TechniquesPotassium ChannelsSodiumBasement MembranePlasmaElectric ConductivityIon ChannelsChloridesMitochondriaGuinea PigsMembrane Transport ProteinsMitochondrial MembranesNeuronsTime FactorsCells, CulturedHydrogen-Ion ConcentrationMembrane GlycoproteinsModels, BiologicalTetrodotoxinCell LineMicroscopy, ElectronLipid BilayersMicroelectrodesElectric StimulationProtein TransportPotassium Channels, Tandem Pore DomainPotassium Channel BlockersAdenosine TriphosphateRats, Sprague-DawleyBariumSynaptic MembranesBiological Transport, ActiveRabbitsValinomycinFluorescent DyesProtein BindingLiposomesCarrier ProteinsIon Channel GatingCesiumOuabainDose-Response Relationship, DrugKineticsTetraethylammonium CompoundsMutationCell FractionationMolecular Sequence DataRats, WistarTetraethylammoniumMicroscopy, FluorescenceTemperature4-AminopyridineProtein Structure, TertiaryPotassium Channels, Inwardly RectifyingAmino Acid SequenceSodium-Potassium-Exchanging ATPaseElectrophoresis, Polyacrylamide GelCalcium ChannelsEscherichia coliMusclesEndoplasmic ReticulumDogsMuscle, SmoothPhosphatidylcholinesCattleMicroscopy, ConfocalSodium ChannelsRats, Inbred StrainsDetergentsGolgi ApparatusAcetylcholineSynaptic TransmissionSignal TransductionExtraembryonic MembranesRecombinant Fusion ProteinsSynapsesErythrocytesCationsBacterial ProteinsPermeabilityCytoplasmMolecular WeightPeptidesCholesterolCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneSubcellular Fractions