Ion Exchange ResinsIon ExchangeCationsChromatography, Ion ExchangeCations, DivalentCations, MonovalentCation Exchange ResinsAnion Exchange ResinsIon ChannelsHydrogen-Ion ConcentrationKineticsMolecular WeightChromatography, GelSodiumAmino Acid SequenceAmino AcidsMolecular Sequence DataElectrophoresis, Polyacrylamide GelMagnesiumIon TransportCalciumPotassiumPotassium IsotopesOrganic Cation Transport ProteinsDeuterium Exchange MeasurementIon Channel GatingChloridesOrganic Cation Transporter 1Chromatography, AffinityPulmonary Gas ExchangeSubstrate SpecificityExchange Transfusion, Whole BloodChromatography, High Pressure LiquidSister Chromatid ExchangeCattleChromatographyBinding SitesTemperatureIonsProtein BindingBiological TransportChromatography, DEAE-CelluloseRabbitsCarbohydratesMathematicsProtein ConformationMembrane PotentialsAdenosine TriphosphateHydrogenMagnetic Resonance SpectroscopyCell MembraneTRPM Cation ChannelsMass SpectrometryHeavy IonsManganeseEscherichia coliTrypsinSodium-Hydrogen AntiporterWaterEdetic AcidLithiumPeptide FragmentsSpectrophotometry, UltravioletElectric ConductivityPinus ponderosaPeptidesModels, MolecularMacromolecular SubstancesCell LineRubidiumTRPC Cation ChannelsModels, BiologicalCarrier ProteinsErythrocytesThermodynamicsMetalsProtonsMembranes, ArtificialOsmolar ConcentrationIsoelectric PointBase SequenceIsoelectric FocusingDrug StabilityElectrochemistrySulfatesAdsorptionPermeabilityAmilorideCation Transport ProteinsMetals, AlkaliCell Membrane PermeabilityDiffusionResins, SyntheticRecombinant ProteinsSequence Homology, Amino AcidStrontiumChemistryPhosphatesLiverHydrolysis