Large Neutral Amino Acid-Transporter 1Amino AcidsSequence Homology, Amino AcidSodium-Calcium ExchangerAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularSodium-Hydrogen AntiporterAmino Acids, EssentialAmino Acid Transport SystemsSequence AlignmentBase SequenceMolecular Sequence DataMutationAmino Acid MotifsEscherichia coliKineticsBinding SitesMutagenesis, Site-DirectedDNA, ComplementaryAntiportersSequence Homology, Nucleic AcidHydrogen-Ion ConcentrationRecombinant ProteinsChloride-Bicarbonate AntiportersProtein ConformationAmino Acids, AromaticPeptide FragmentsModels, MolecularAmino Acids, Branched-ChainLeucineProtein Structure, TertiaryStructure-Activity RelationshipCarrier ProteinsAmino Acids, SulfurCell LineProtein BindingSubstrate SpecificityMolecular WeightDNAPeptidesBacterial ProteinsBiological TransportRestriction MappingSodiumRNA, MessengerPhylogenyRecombinant Fusion Proteins