Sodium-Hydrogen AntiporterAmino AcidsAntiportersSequence Homology, Amino AcidPotassium-Hydrogen AntiportersAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularHydrogen-Ion ConcentrationEscherichia coliAmino Acid Transport SystemsCarrier ProteinsAmino Acids, EssentialMolecular Sequence DataAmino Acid Transport System y+KineticsBase SequenceSequence AlignmentMutagenesis, Site-DirectedMutationSodiumBacterial ProteinsAmilorideBiological TransportBinding SitesAmino Acid MotifsProtein ConformationModels, MolecularLithiumDNA, ComplementaryRecombinant ProteinsEscherichia coli ProteinsProtein Structure, TertiaryAmino Acids, AromaticSubstrate SpecificitySequence Homology, Nucleic AcidGenes, BacterialAspartic AcidCystineAmino Acids, Branched-ChainStructure-Activity RelationshipPeptide FragmentsProtein Structure, SecondaryAmino Acids, SulfurLeucineCell LineProtonsProtein BindingCation Transport ProteinsRestriction MappingPlasmidsMolecular WeightDNAAlanineMembrane ProteinsSodium ChlorideConserved SequencePhylogenyRecombinant Fusion ProteinsRNA, MessengerCell MembraneSequence Analysis, DNAIon TransportPeptidesElectrophoresis, Polyacrylamide GelSaccharomyces cerevisiaeCysteineDNA PrimersGlutamic AcidArginineAgmatineProteinsSpecies SpecificityAmino Acid Transport Systems, AcidicMutagenesisOpen Reading FramesSequence AnalysisAmino Acid Transport Systems, BasicAmino Acids, AcidicProteolipidsBiological Transport, ActiveCattleIsoleucineAmino Acids, BasicLysineSequence DeletionTrypsinGenetic Complementation TestPoint MutationHydrogenDNA, BacterialBacillusChromatography, High Pressure LiquidProlineGene ExpressionPotassiumCodonGene LibraryRabbitsTranscription, Genetic