Calcium ChannelsCalcium Channel BlockersCalcium Channels, L-TypeIon ChannelsCalcium Channels, N-TypeCalcium Channels, T-TypeIon Channel GatingCalcium SignalingCalcium Channel AgonistsMembrane PotentialsPotassium Channels, Inwardly RectifyingElectrophysiologyCalcium Channels, P-TypeCalcium Channels, Q-TypeDihydropyridinesPotassium Channel BlockersNifedipinePatch-Clamp TechniquesCalcium Channels, R-TypeChloride ChannelsElectric ConductivityPotassium Channels, Voltage-GatedCalciumomega-Conotoxin GVIACalcium, Dietaryomega-ConotoxinsBariumPotassium Channels, Calcium-ActivatedPotassiumDiltiazemShaker Superfamily of Potassium ChannelsVerapamilKATP ChannelsIsradipineSodium Channel BlockersKineticsOocytesMibefradilNeuronsNitrendipineXenopus laevisNimodipineLarge-Conductance Calcium-Activated Potassium Channelsomega-Agatoxin IVAAction PotentialsTRPC Cation ChannelsCyclic Nucleotide-Gated Cation ChannelsSodiumCells, CulturedMolecular Sequence DataDose-Response Relationship, DrugRats, Sprague-DawleyAmino Acid SequenceXenopusCalcium CarbonateEther-A-Go-Go Potassium ChannelsSpider VenomsKv1.2 Potassium ChannelTRPV Cation ChannelsRyanodine Receptor Calcium Release ChannelCalcium ChlorideNicardipineElectric StimulationTime FactorsCell LineTetrodotoxinIon TransportMyocardiumTRPM Cation ChannelsKv1.1 Potassium ChannelProtein SubunitsKv1.3 Potassium ChannelAcid Sensing Ion ChannelsEpithelial Sodium ChannelsRabbitsModels, BiologicalCell MembraneCalcium PhosphatesCalcium IsotopesTetraethylammoniumEgtazic AcidAgatoxinsSmall-Conductance Calcium-Activated Potassium ChannelsAdenosine TriphosphateCalcium RadioisotopesRats, WistarKCNQ Potassium ChannelsKCNQ1 Potassium ChannelAmlodipineKv1.5 Potassium ChannelMollusk VenomsProtein Structure, TertiaryShaw Potassium ChannelsGuinea PigsTransient Receptor Potential ChannelsHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsMutationBiophysicsKv1.4 Potassium ChannelHeart