Saccharopine DehydrogenasesLysineAmino AcidsSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsSequence AlignmentMolecular Sequence DataBinding SitesBase SequenceMutationEscherichia coliAmino Acid MotifsMutagenesis, Site-DirectedKineticsModels, MolecularPeptide FragmentsProtein ConformationRecombinant ProteinsProtein Structure, TertiaryProtein BindingDNA, ComplementarySequence Homology, Nucleic AcidAmino Acids, AromaticLeucineStructure-Activity RelationshipAmino Acids, Branched-ChainAmino Acids, SulfurSubstrate SpecificityPeptidesDNAMolecular WeightBacterial ProteinsCell LineArginineAlanineRestriction MappingProteinsRecombinant Fusion ProteinsElectrophoresis, Polyacrylamide GelPhylogenyConserved SequenceProtein Structure, SecondaryMethylationGenes, BacterialSequence Analysis, DNAPlasmidsAmino Acid Transport Systems, BasicChromatography, High Pressure LiquidRNA, MessengerHistonesAmino Acids, BasicIsoleucineTrypsinCattleAcetylationSpecies SpecificityDNA PrimersCarrier ProteinsMethionine