Potassium ChannelsPotassiumPotassium Channel BlockersPotassium Channels, Inwardly RectifyingPotassium Channels, Voltage-GatedNeural ConductionKv1.3 Potassium ChannelKv1.2 Potassium ChannelIon ChannelsKv1.1 Potassium ChannelShaker Superfamily of Potassium ChannelsHeart Conduction SystemKv1.5 Potassium ChannelIon Channel GatingShaw Potassium ChannelsPotassium Channels, Calcium-ActivatedCalcium ChannelsShab Potassium ChannelsEther-A-Go-Go Potassium ChannelsKCNQ1 Potassium ChannelKCNQ Potassium ChannelsShal Potassium ChannelsKv1.4 Potassium ChannelLarge-Conductance Calcium-Activated Potassium ChannelsKCNQ2 Potassium ChannelElectrophysiologyMembrane PotentialsKATP ChannelsKCNQ3 Potassium ChannelPotassium Channels, Tandem Pore DomainDelayed Rectifier Potassium ChannelsPatch-Clamp TechniquesCalcium Channel BlockersElectric ConductivityAction PotentialsG Protein-Coupled Inwardly-Rectifying Potassium ChannelsSmall-Conductance Calcium-Activated Potassium ChannelsChloride ChannelsTetraethylammoniumOocytesGlyburideXenopus laevisCalcium Channels, L-Type4-AminopyridineXenopusIntermediate-Conductance Calcium-Activated Potassium ChannelsScorpion VenomsAtrioventricular NodeKv Channel-Interacting ProteinsSodium Channel BlockersLarge-Conductance Calcium-Activated Potassium Channel alpha SubunitsCharybdotoxinPinacidilSodiumCromakalimMolecular Sequence DataPotassium, DietaryAmino Acid SequenceSulfonylurea ReceptorsBariumCalciumTetraethylammonium CompoundsKineticsBarium CompoundsNeuronsAdenosine TriphosphateCalcium Channels, N-TypePotassium DeficiencyRats, Sprague-DawleyElectric StimulationDose-Response Relationship, DrugHeart BlockKv1.6 Potassium ChannelCyclic Nucleotide-Gated Cation ChannelsCalcium Channels, T-TypeCell MembraneCells, CulturedPotassium CompoundsTRPC Cation ChannelsIon TransportApaminTime FactorsBenzopyransElectrocardiographyProtein SubunitsArrhythmias, CardiacHeart AtriaElapid VenomsAxonsCalcium Channel AgonistsMutationLarge-Conductance Calcium-Activated Potassium Channel beta SubunitsNAV1.5 Voltage-Gated Sodium ChannelMyocardiumReceptors, DrugPotassium ChlorideGuinea PigsCesiumHeartProtein Structure, Tertiary