Amino AcidsSequence Homology, Amino AcidBiological TransportBiological Transport, ActiveAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acid Transport SystemsKineticsMembrane Transport ProteinsMolecular Sequence DataAxonal TransportMutationAmino Acids, EssentialProtein TransportIon TransportBase SequenceEscherichia coliSequence AlignmentCarrier ProteinsBinding SitesAmino Acid MotifsMutagenesis, Site-DirectedHydrogen-Ion ConcentrationLeucineModels, MolecularProtein ConformationRecombinant ProteinsDNA, ComplementaryCell LineProtein BindingCell MembraneBacterial ProteinsAmino Acid Transport Systems, BasicProtein Structure, TertiarySubstrate SpecificityStructure-Activity RelationshipSequence Homology, Nucleic AcidPeptide FragmentsNeutral RedMonosaccharide Transport ProteinsAmino Acids, AromaticAmino Acids, Branched-ChainSodiumMolecular WeightPeptidesAlanineMembrane ProteinsRecombinant Fusion ProteinsDNARNA, MessengerAmino Acids, SulfurAmino Acids, NeutralElectron TransportElectrophoresis, Polyacrylamide GelPhylogenyGenes, BacterialProteinsRestriction MappingGlucoseNeutral CeramidasePlasmidsProtein Structure, SecondarySequence Analysis, DNASpecies SpecificityChromatography, High Pressure LiquidSaccharomyces cerevisiaeAmino Acid Transport Systems, NeutralCattleModels, BiologicalLysineAminoisobutyric AcidsDNA PrimersIsoleucineRabbitsProlineAmino Acid Transport System AGlutamineConserved SequenceTransport VesiclesTemperatureArginineGlycineTransfectionCells, CulturedPhenylalanineAspartic AcidAmino Acids, DiaminoMethionineGolgi ApparatusTime FactorsCysteineTrypsinCricetinaeCation Transport ProteinsValineAnion Transport ProteinsMutagenesisGenesProtein Biosynthesis