Potassium-Hydrogen AntiportersSodium-Hydrogen AntiporterAntiportersHydrogen-Ion ConcentrationProtonsCationsSodiumCarrier ProteinsEscherichia coliProton PumpsCations, DivalentCations, MonovalentProton Pump InhibitorsAmilorideAmino Acid Transport System y+LithiumKineticsIon TransportOrganic Cation Transport ProteinsCation Transport ProteinsMagnetic Resonance SpectroscopyBiological TransportPotassiumProton-Motive ForceMolecular Sequence DataAspartic AcidHydrogenAmino Acid SequenceOrganic Cation Transporter 1Sodium ChlorideMagnesiumEscherichia coli ProteinsCalciumBacterial ProteinsDicyclohexylcarbodiimideCell MembraneIon ChannelsProteolipidsMembrane PotentialsBiological Transport, ActiveModels, MolecularProton-Translocating ATPasesVacuolar Proton-Translocating ATPasesNigericinAgmatineMetals, AlkaliProtein ConformationMutagenesis, Site-DirectedCystineRubidiumValinomycinChloridesMutationAlkaliesBinding SitesWaterTRPM Cation ChannelsMembrane ProteinsVacuolesTetracycline ResistanceGlutamic AcidIonsChloride-Bicarbonate AntiportersMicrovilliTetracyclineAdenosine TriphosphateKidney Tubules, ProximalBicarbonatesBacteriorhodopsinsUncoupling AgentsAmino Acid Transport Systems, AcidicAcidosis, Respiratory