Membrane PotentialsCell MembraneMembranesIntracellular MembranesMembrane LipidsPotassiumElectric ConductivityMembranes, ArtificialElectrophysiologyMembrane Potential, MitochondrialCell Membrane PermeabilityCalciumPatch-Clamp TechniquesIon ChannelsPotassium ChannelsIon Channel GatingSodiumErythrocyte MembraneMembrane FluidityAction PotentialsChloridesBasement MembraneHydrogen-Ion ConcentrationKineticsModels, BiologicalCyclamatesLipid BilayersTetraethylammoniumMitochondriaNeuronsOocytesMitochondrial MembranesBariumMembrane Transport ProteinsCalcium ChannelsTetraethylammonium CompoundsXenopus laevisMicroelectrodesTime FactorsCells, CulturedIon TransportGuinea PigsMembrane GlycoproteinsCesiumAdenosine TriphosphateNecturus maculosusBiological Transport, ActiveElectric StimulationDecapodiformesTetrodotoxinNecturusCell LineMicroscopy, ElectronRabbitsProtein TransportShaker Superfamily of Potassium ChannelsSynaptic MembranesValinomycinOuabainPotassium Channel BlockersMolecular Sequence DataCalcium SignalingXenopusLiposomesLarge-Conductance Calcium-Activated Potassium ChannelsFluorescent DyesBufo marinusMathematicsDose-Response Relationship, DrugRats, Sprague-DawleyProtein BindingPhotoreceptor CellsAmino Acid SequenceCarrier ProteinsProtein Structure, TertiaryExtracellular SpaceMagnesiumChloride ChannelsMutationEgtazic AcidMicroscopy, FluorescencePotassium Channels, Calcium-ActivatedCell FractionationAmilorideSodium ChannelsRats, WistarEscherichia coliTemperatureMalpighian TubulesIons4-AminopyridinePermeabilityCyclic Nucleotide-Gated Cation ChannelsScorpion VenomsModels, NeurologicalPhosphatidylcholinesEndoplasmic ReticulumMicroscopy, ConfocalAcetylcholineElectrophoresis, Polyacrylamide Gel