PhosphorylationPhosphoproteinsProtein KinasesSerineTyrosineProtein-Serine-Threonine KinasesEnzyme ActivationProtein Kinase CPhosphopeptidesAmino Acid SequencePhosphoprotein PhosphatasesMolecular Sequence DataPhosphoserineCell LineProtein-Tyrosine KinasesThreonineCyclic AMP-Dependent Protein KinasesOkadaic AcidOxidative PhosphorylationProteinsCells, CulturedKineticsEthers, CyclicPhosphotyrosineEnzyme InhibitorsSignal TransductionCalciumPhosphothreonineProtein Processing, Post-TranslationalCyclic AMPTetradecanoylphorbol AcetatePhosphorus RadioisotopesProtein BindingMolecular WeightPeptide MappingBlotting, WesternElectrophoresis, Polyacrylamide GelProto-Oncogene Proteins c-aktMutationMitogen-Activated Protein KinasesCasein Kinase IICalcium-Calmodulin-Dependent Protein KinasesProtein Kinase InhibitorsAdenosine TriphosphateBinding SitesProtein Phosphatase 2Protein Phosphatase 1TransfectionOxazolesIntracellular Signaling Peptides and ProteinsMembrane ProteinsProto-Oncogene ProteinsGlycogen Synthase Kinase 3Recombinant ProteinsHeLa CellsSubstrate SpecificityProtein Structure, Tertiarysrc-Family KinasesMitogen-Activated Protein Kinase 1Phosphatidylinositol 3-KinasesCDC2 Protein KinaseMass SpectrometryDNA-Binding ProteinsModels, BiologicalCarrier ProteinsPrecipitin TestsImmunoblottingMitogen-Activated Protein Kinase 3CytosolCell NucleusMAP Kinase Signaling SystemImmunoprecipitationMutagenesis, Site-DirectedTime FactorsCell Line, TumorStaurosporineCalmodulinMyosin Light ChainsRecombinant Fusion ProteinsExtracellular Signal-Regulated MAP KinasesPhosphatesElectrophoresis, Gel, Two-DimensionalCell Cycle ProteinsTumor Cells, CulturedVanadatesCell MembraneProtein Tyrosine PhosphatasesCell CycleDiglyceridesCyclic AMP Response Element-Binding ProteinCyclin-Dependent Kinasesp38 Mitogen-Activated Protein KinasesNuclear ProteinsProteomicsIsoenzymesAntibodies, Phospho-SpecificAdaptor Proteins, Signal TransducingCOS CellsRats, Sprague-DawleyGene Expression Regulation