Amino AcidsSequence Homology, Amino AcidSubstance PAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsKineticsSequence AlignmentBase SequenceEscherichia coliMutationMolecular Sequence DataSubstance-Related DisordersBinding SitesAmino Acid MotifsProtein ConformationMutagenesis, Site-DirectedMolecular WeightModels, MolecularPeptide FragmentsReproducibility of ResultsDNA, ComplementaryRecombinant ProteinsNeutral RedStructure-Activity RelationshipSequence Homology, Nucleic AcidAmino Acids, AromaticLeucineHydrogen-Ion ConcentrationChromatography, High Pressure LiquidSubstrate SpecificityAmino Acids, Branched-ChainPeptidesProtein BindingDNAAmino Acids, SulfurProtein Structure, TertiaryBacterial ProteinsCell LineAmino Acids, NeutralProteinsCattleElectrophoresis, Polyacrylamide GelPhylogenyNeutral CeramidaseBiological TransportSpecies SpecificityAlanineRestriction MappingSequence Analysis, DNARNA, MessengerTime FactorsReceptors, Neurokinin-1Recombinant Fusion ProteinsDiffusionProtein Structure, SecondaryAmino Acid Transport Systems, BasicGenes, BacterialCarrier ProteinsSubstance Abuse Treatment CentersPlasmidsLysineRabbitsTemperatureDNA PrimersConserved SequenceIsoleucineModels, BiologicalTrypsinChromatography, GelGlycineCodonSwineAmino Acids, BasicArginineEvolution, MolecularNitrogenPolymerase Chain ReactionAmino Acids, DiaminoMacromolecular SubstancesGlutamineAspartic AcidCell MembraneTryptophanGenesCyanogen BromideHydrolysisSaccharomyces cerevisiaePhenylalanineValineMethionineMembrane ProteinsNeprilysinProtein BiosynthesisOpen Reading FramesChromatography, Ion ExchangeGenetic VariationAmino Acid Transport System A