Ion ChannelsIon TransportIon Channel GatingHeavy IonsMolecular Sequence DataSpectrometry, Mass, Secondary IonIon PumpsIon ExchangeMetalsKineticsModels, MolecularAmino Acid SequenceSpectrometry, Mass, Electrospray IonizationPotassiumSodiumCalciumHydrogen-Ion ConcentrationMagnesiumCationsBinding SitesMass SpectrometryComputer SimulationChloridesZincMembrane PotentialsLigand-Gated Ion ChannelsModels, ChemicalProtein ConformationCobaltManganeseProtein BindingChromatography, Ion ExchangeBase SequenceHeavy Ion RadiotherapyMolecular StructureWaterCopperGasesIon Exchange ResinsCations, MonovalentAlgorithmsProtonsMutationTime FactorsElectric ConductivityAnionsProtein Structure, TertiaryThermodynamicsPeptidesSoftwareCrystallography, X-RayModels, TheoreticalPhylogenyProteinsTandem Mass SpectrometryEscherichia coliModels, StatisticalCell MembraneSequence AlignmentTemperatureElectrochemistryNickelPotassium ChannelsSodium ChannelsCell Membrane PermeabilityElectrophysiologyMetals, AlkaliCatalysisMagnetic Resonance SpectroscopyReproducibility of ResultsMathematicsEvolution, MolecularBacterial ProteinsComputational BiologyBiological TransportStatic ElectricityModels, GeneticPatch-Clamp TechniquesSolutionsLithiumSequence Homology, Amino AcidStructure-Activity RelationshipSubstrate SpecificityDNAMolecular ConformationProtein Structure, SecondaryCyclotronsCadmiumCattleQuaternary Ammonium CompoundsCell LineSignal TransductionBiological EvolutionIon-Selective ElectrodesRubidiumLigandsOxidation-ReductionBiological Transport, ActiveGramicidinSpecies Specificity