ThreonineAmino AcidsSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionThreonine DehydrataseCloning, MolecularMolecular Sequence DataAmino Acids, EssentialBase SequenceSequence AlignmentAmino Acid Transport SystemsMutationBinding SitesEscherichia coliAmino Acid MotifsMutagenesis, Site-DirectedKineticsPhosphorylationRecombinant ProteinsDNA, ComplementarySubstrate SpecificityIsoleucineProtein Structure, TertiaryPeptide FragmentsProtein BindingModels, MolecularCell LineSequence Homology, Nucleic AcidProtein ConformationLeucineSerineStructure-Activity RelationshipProtein-Serine-Threonine KinasesAmino Acids, Branched-ChainAmino Acids, AromaticAmino Acids, SulfurPeptidesBacterial ProteinsDNARecombinant Fusion ProteinsPhosphothreonineAlanineRestriction MappingElectrophoresis, Polyacrylamide GelProteinsPhylogenyLysineMolecular WeightConserved SequencePlasmidsSequence Analysis, DNAGenes, BacterialDNA PrimersRNA, MessengerCarrier ProteinsGlycineProtein Structure, SecondaryValineTransfectionSpecies SpecificityChromatography, High Pressure LiquidCattleProtein KinasesSaccharomyces cerevisiaeMethioninePhosphoprotein PhosphatasesCodonAmino Acid Transport Systems, BasicTrypsinPoint MutationTranscription, GeneticBiological TransportAspartic AcidPolymerase Chain ReactionPeptide MappingSignal TransductionMembrane ProteinsMutagenesisProtein BiosynthesisGenesAmino Acids, BasicSequence DeletionNitrogenOpen Reading FramesCOS CellsProlineGene LibraryCyanogen BromideProtein Processing, Post-TranslationalArginineSequence AnalysisGlutamineGene ExpressionPhenylalanineCysteineEnzyme ActivationTyrosineDNA-Binding ProteinsCatalysis