Amino Acids, BasicAmino Acid SequenceMolecular Sequence DataSerineAmino AcidsMutagenesis, Site-DirectedSequence Homology, Amino AcidBase SequenceBinding SitesAmino Acids, DiaminoPhosphorylationMutationProtein BindingCloning, MolecularProtein Structure, TertiaryRecombinant ProteinsKineticsSubstrate SpecificityCell LineModels, MolecularPeptide FragmentsStructure-Activity RelationshipAmino Acid SubstitutionLysineProtein ConformationPeptidesEscherichia coliProtein Processing, Post-TranslationalAmino Acid Transport Systems, BasicArginineProtein PrecursorsSequence AlignmentPhosphoserineTyrosineDNAThreonineAmino Acid MotifsCattleProtein KinasesRecombinant Fusion ProteinsPlasmidsElectrophoresis, Polyacrylamide GelPeptide MappingPhosphoproteinsMolecular WeightSerine EndopeptidasesProtein Structure, SecondaryProtein-Serine-Threonine KinasesEnzyme ActivationTransfectionDNA, ComplementaryCOS CellsProteinsCarrier ProteinsTrypsinHeparinPhosphopeptidesSignal TransductionConserved SequenceCells, CulturedAlanineBacterial ProteinsDNA-Binding ProteinsCysteineSequence Homology, Nucleic AcidChromatography, High Pressure LiquidDNA PrimersHistidineCell MembraneProtein-Tyrosine KinasesPoint MutationHeLa CellsMembrane ProteinsBlotting, WesternMutagenesisProtein Kinase CPhosphothreonineHydrogen-Ion ConcentrationSaccharomyces cerevisiaeCatalysisBiological TransportHydrolysisRNA, MessengerCricetinaeRestriction MappingCell NucleusMass SpectrometryCircular DichroismTranscription, GeneticCyclic AMP-Dependent Protein KinasesCyanogen BromideAmino Acid Transport SystemsCytoplasmEnzyme InhibitorsPhosphotyrosineSequence DeletionRabbitsTranscription FactorsCasein Kinase IIModels, Biological