Amino AcidsSequence Homology, Amino AcidBiological TransportBiological Transport, ActiveAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acid Transport SystemsKineticsMembrane Transport ProteinsAxonal TransportAmino Acids, EssentialProtein TransportIon TransportMutationMolecular Sequence DataEscherichia coliBase SequenceSequence AlignmentCarrier ProteinsBinding SitesAmino Acid MotifsMutagenesis, Site-DirectedLeucineDNA, ComplementaryRecombinant ProteinsModels, MolecularProtein ConformationCell LineBacterial ProteinsProtein BindingCell MembraneProtein Structure, TertiaryMonosaccharide Transport ProteinsSequence Homology, Nucleic AcidAmino Acid Transport Systems, BasicAmino Acids, AromaticStructure-Activity RelationshipPeptide FragmentsAmino Acids, Branched-ChainSubstrate SpecificitySodiumCarbon DioxideAmino Acids, SulfurElectron TransportRecombinant Fusion ProteinsMembrane ProteinsMolecular WeightRNA, MessengerPeptidesHydrogen-Ion ConcentrationAlanineDNAGenes, BacterialRestriction MappingGlucosePhylogenyElectrophoresis, Polyacrylamide GelProteinsPlasmidsSequence Analysis, DNASaccharomyces cerevisiaeProtein Structure, SecondarySpecies SpecificityLysineIsoleucineTransport VesiclesModels, BiologicalDNA PrimersGlutamineCattleProlineConserved SequenceChromatography, High Pressure LiquidAminoisobutyric AcidsGlycineArginineRabbitsTemperatureAmino Acid Transport System ATransfectionCells, CulturedNitrogenGolgi ApparatusMethionineCation Transport ProteinsAnion Transport ProteinsAspartic AcidLiverAmino Acids, BasicPhenylalanineCysteineProtein BiosynthesisValineAmino Acids, DiaminoTrypsinTime FactorsPlant ProteinsMutagenesisGenes