Amino AcidsSequence Homology, Amino AcidBiological TransportBiological Transport, ActiveAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acid Transport SystemsMembrane Transport ProteinsKineticsAxonal TransportAmino Acids, EssentialProtein TransportIon TransportMutationMolecular Sequence DataEscherichia coliBase SequenceSequence AlignmentCarrier ProteinsAmino Acid MotifsBinding SitesMutagenesis, Site-DirectedLeucineDNA, ComplementaryRecombinant ProteinsCell LineProtein ConformationModels, MolecularProtein BindingBacterial ProteinsProtein Structure, TertiaryMonosaccharide Transport ProteinsCell MembraneSequence Homology, Nucleic AcidAmino Acid Transport Systems, BasicAmino Acids, AromaticPeptide FragmentsAmino Acids, Branched-ChainStructure-Activity RelationshipSubstrate SpecificitySodiumAmino Acids, SulfurRecombinant Fusion ProteinsMembrane ProteinsMolecular WeightRNA, MessengerPeptidesElectron TransportAlanineDNAGenes, BacterialRestriction MappingPhylogenyProteinsElectrophoresis, Polyacrylamide GelGlucoseHydrogen-Ion ConcentrationPlasmidsSaccharomyces cerevisiaeSequence Analysis, DNAProtein Structure, SecondaryTransport VesiclesIsoleucineLysineSpecies SpecificityDNA PrimersGlutamineConserved SequenceProlineModels, BiologicalCattleAminoisobutyric AcidsChromatography, High Pressure LiquidGlycineArginineAmino Acid Transport System ATransfectionRabbitsGolgi ApparatusCells, CulturedAnion Transport ProteinsMethionineCation Transport ProteinsAmino Acids, BasicAspartic AcidTemperaturePhenylalanineLiverValineProtein BiosynthesisAmino Acids, DiaminoCysteineTrypsinGenesMutagenesisSymportersVesicular Transport ProteinsCodonOpen Reading Frames