Amino AcidsSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularEnergy MetabolismLipid MetabolismAmino Acids, EssentialAmino Acid Transport SystemsSequence AlignmentBase SequenceMutationKineticsEscherichia coliMolecular Sequence DataAmino Acid MotifsBinding SitesDNA, ComplementaryMutagenesis, Site-DirectedLeucineAmino Acids, Branched-ChainLiverRecombinant ProteinsGlucoseAmino Acids, AromaticAmino Acids, SulfurSequence Homology, Nucleic AcidPeptide FragmentsChromatography, High Pressure LiquidModels, MolecularSubstrate SpecificityProtein ConformationBacterial ProteinsMetabolismStructure-Activity RelationshipRNA, MessengerProtein BindingCell LineProtein Structure, TertiaryDNAPeptidesMolecular WeightPhylogenyProteinsNitrogenAlanineSequence Analysis, DNABiological TransportGenes, BacterialSpecies SpecificityRestriction MappingRecombinant Fusion ProteinsElectrophoresis, Polyacrylamide GelCarrier ProteinsOxidation-ReductionPlasmidsDNA PrimersIsoleucineCattleMethionineCarbon IsotopesLysineConserved SequenceProtein Structure, SecondaryAmino Acid Transport Systems, BasicGlycineSaccharomyces cerevisiaeArginineAmino Acids, BasicTranscription, GeneticAspartic AcidProtein BiosynthesisMagnetic Resonance SpectroscopyCodonGene ExpressionPolymerase Chain ReactionOpen Reading FramesValineCytochrome P-450 Enzyme SystemModels, BiologicalProlinePhenylalanineCells, CulturedTrypsinMembrane ProteinsGenesMass SpectrometryTryptophanCysteineAmino Acids, DiaminoCyanogen BromideGene LibraryBiotransformationTime FactorsSwineTransfectionPlant ProteinsSequence DeletionGlutamineRabbits