ThreonineSerineAmino Acid SequenceMolecular Sequence DataPhosphorylationProtein BindingBinding SitesProtein Structure, TertiaryPhosphoserineModels, MolecularCell LinePhosphothreonineProtein Interaction MappingBase SequenceMutagenesis, Site-DirectedProtein ConformationProtein-Serine-Threonine KinasesProtein KinasesTwo-Hybrid System TechniquesMutationKineticsTyrosinePeptide MappingSequence Homology, Amino AcidPhosphoproteinsEnzyme ActivationSubstrate SpecificityRecombinant ProteinsPhosphopeptidesTranscription FactorsAmino Acid SubstitutionProtein Processing, Post-TranslationalProtein Kinase CPeptide FragmentsAmino AcidsTransfectionCloning, MolecularStructure-Activity RelationshipCasein Kinase IIElectrophoresis, Polyacrylamide GelRecombinant Fusion ProteinsSerine EndopeptidasesPhosphoprotein PhosphatasesProtein-Tyrosine KinasesPhosphoamino AcidsSignal TransductionSequence AlignmentCells, CulturedCyclic AMP-Dependent Protein KinasesCOS CellsEscherichia coliThreonine DehydratasePeptidesAmino Acid MotifsProtein Structure, SecondaryEnzyme InhibitorsPhosphotyrosineAlanineMolecular WeightBlotting, WesternCalcium-Calmodulin-Dependent Protein KinasesProteinsHeLa CellsTrypsinCysteineCatalysisCatalytic DomainCattleDNA-Binding ProteinsPrecipitin TestsGlycosylationConserved SequenceMembrane ProteinsOkadaic AcidCasein KinasesCell MembranePoint MutationMass SpectrometryOxidative PhosphorylationAcetylglucosamineCarrier ProteinsProtein Phosphatase 2DNA PrimersCricetinaeMitogen-Activated Protein KinasesProto-Oncogene ProteinsBacterial ProteinsChromatography, High Pressure LiquidProto-Oncogene Proteins c-aktImmunoblottingIsoenzymes14-3-3 ProteinsPhosphorus RadioisotopesIntracellular Signaling Peptides and ProteinsMutagenesisAdenosine TriphosphateDNAProtein Phosphatase 1ImmunoprecipitationProtein Transport