Potassium ChannelsPotassium Channels, Inwardly RectifyingPotassiumPotassium Channels, Voltage-GatedPotassium Channel BlockersDelayed Rectifier Potassium ChannelsKv1.3 Potassium ChannelIon ChannelsKv1.2 Potassium ChannelKv1.1 Potassium ChannelKv1.5 Potassium ChannelShaker Superfamily of Potassium ChannelsIon Channel GatingShaw Potassium ChannelsShab Potassium ChannelsEther-A-Go-Go Potassium ChannelsKCNQ1 Potassium ChannelCalcium ChannelsPotassium Channels, Calcium-ActivatedKCNQ Potassium ChannelsMembrane PotentialsShal Potassium ChannelsPatch-Clamp TechniquesKv1.4 Potassium ChannelElectrophysiologyLarge-Conductance Calcium-Activated Potassium ChannelsKATP ChannelsG Protein-Coupled Inwardly-Rectifying Potassium ChannelsKCNQ2 Potassium ChannelTetraethylammoniumPotassium Channels, Tandem Pore DomainElectric ConductivityKCNQ3 Potassium Channel4-AminopyridineCalcium Channel BlockersOocytesAction PotentialsChloride ChannelsGlyburideSmall-Conductance Calcium-Activated Potassium ChannelsXenopus laevisXenopusCalcium Channels, L-TypeBariumBarium CompoundsTetraethylammonium CompoundsScorpion VenomsCharybdotoxinCromakalimIntermediate-Conductance Calcium-Activated Potassium ChannelsKv Channel-Interacting ProteinsSulfonylurea ReceptorsCesiumMolecular Sequence DataSodiumAmino Acid SequenceSodium Channel BlockersKineticsCalciumPinacidilLarge-Conductance Calcium-Activated Potassium Channel alpha SubunitsGuinea PigsNeuronsPotassium, DietaryAdenosine TriphosphateDose-Response Relationship, DrugCells, CulturedBenzopyransIon TransportRats, Sprague-DawleyElapid VenomsApaminCalcium Channels, N-TypeCell MembraneAnti-Arrhythmia AgentsReceptors, DrugMyocardiumLong QT SyndromeProtein SubunitsPotassium DeficiencyKv1.6 Potassium ChannelCyclic Nucleotide-Gated Cation ChannelsCalcium Channels, T-TypePotassium CompoundsTRPC Cation ChannelsMutationCell LinePotassium ChlorideLarge-Conductance Calcium-Activated Potassium Channel beta SubunitsRubidiumProtein Structure, TertiaryHeartCalcium Channel AgonistsDiazoxideCHO CellsQuinidineNicorandilModels, MolecularChloridesHeart Ventricles