SerinePhosphorylationAmino Acid SequenceMolecular Sequence DataProtein KinasesPhosphoproteinsPhosphoserineTyrosineProtein-Serine-Threonine KinasesCell LineEnzyme ActivationProtein Kinase CThreoninePhosphopeptidesKineticsProtein BindingBinding SitesMutationCells, CulturedMutagenesis, Site-DirectedProtein-Tyrosine KinasesCyclic AMP-Dependent Protein KinasesPhosphoprotein PhosphatasesPeptide MappingOxidative PhosphorylationSignal TransductionProtein Processing, Post-TranslationalEnzyme InhibitorsBlotting, WesternProtein Structure, TertiaryRecombinant ProteinsPhosphotyrosineProteinsTransfectionCasein Kinase IIPhosphothreonineBase SequenceSubstrate SpecificityOkadaic AcidElectrophoresis, Polyacrylamide GelCalciumProto-Oncogene Proteins c-aktMolecular WeightSequence Homology, Amino AcidMitogen-Activated Protein KinasesTetradecanoylphorbol AcetateRecombinant Fusion ProteinsCalcium-Calmodulin-Dependent Protein KinasesCyclic AMPDNA-Binding ProteinsHeLa CellsPhosphorus RadioisotopesAmino Acid SubstitutionPeptide FragmentsProto-Oncogene ProteinsSerine EndopeptidasesMembrane ProteinsCOS CellsIntracellular Signaling Peptides and ProteinsCell Line, TumorAdenosine TriphosphateImmunoblottingPrecipitin TestsRNA, MessengerEthers, CyclicCarrier ProteinsGlycogen Synthase Kinase 3Time FactorsImmunoprecipitationModels, MolecularModels, BiologicalMitogen-Activated Protein Kinase 1Cell NucleusProtein Phosphatase 2Phosphatidylinositol 3-KinasesGene Expression RegulationProtein Kinase InhibitorsTumor Cells, CulturedMass SpectrometryProtein Conformationsrc-Family KinasesCell MembraneAmino Acid MotifsCattleTranscription FactorsIsoenzymesPeptidesCell Cycle ProteinsNuclear ProteinsMitogen-Activated Protein Kinase 3Protein TransportProtein Phosphatase 1MAP Kinase Signaling SystemStructure-Activity RelationshipCDC2 Protein KinaseCasein KinasesCloning, MolecularApoptosisTranscription, GeneticPhosphoamino Acids