ThreonineSerinePhosphorylationAmino Acid SequenceMolecular Sequence DataProtein-Serine-Threonine KinasesPhosphothreoninePhosphoserineProtein KinasesMutagenesis, Site-DirectedPhosphoprotein PhosphatasesBinding SitesCell LineMutationSequence Homology, Amino AcidProtein BindingEnzyme ActivationBase SequenceKineticsSubstrate SpecificityThreonine DehydrataseProtein Structure, TertiaryOkadaic AcidPeptide MappingPhosphoproteinsTyrosinePhosphopeptidesRecombinant ProteinsProtein Phosphatase 2Models, MolecularProtein Kinase CAmino Acid SubstitutionSignal TransductionCloning, MolecularProtein Processing, Post-TranslationalCasein Kinase IIProtein ConformationAmino AcidsTransfectionPeptide FragmentsRecombinant Fusion ProteinsEnzyme InhibitorsProtein Phosphatase 1Protein-Tyrosine KinasesStructure-Activity RelationshipSequence AlignmentCells, CulturedElectrophoresis, Polyacrylamide GelCalcium-Calmodulin-Dependent Protein KinasesCOS CellsCyclic AMP-Dependent Protein KinasesPhosphoamino AcidsEscherichia coliSerine EndopeptidasesAmino Acid MotifsPeptidesBlotting, WesternHeLa CellsCatalytic DomainCatalysisCasein KinasesPrecipitin TestsProto-Oncogene Proteins c-aktProteinsAlaninePhosphotyrosineDNA-Binding ProteinsProtein Structure, SecondaryMolecular WeightProto-Oncogene ProteinsEthers, CyclicConserved SequenceCattleMembrane ProteinsOxazolesDNA PrimersCarrier ProteinsTrypsinIsoenzymesCell MembraneMitogen-Activated Protein KinasesIntracellular Signaling Peptides and ProteinsBacterial ProteinsGlycosylationCysteineCricetinaeDNA, ComplementaryImmunoblottingAdenosine TriphosphatePoint MutationNuclear Proteins3T3 CellsDNAMass SpectrometryModels, BiologicalAcetylglucosamineTetradecanoylphorbol AcetateMutagenesisCell NucleusImmunoprecipitation