PhosphorylationSubstrate SpecificitySerineMolecular Sequence DataAmino Acid SequenceProtein-Serine-Threonine KinasesTyrosineKineticsEnzyme ActivationProtein KinasesPhosphoproteinsCell LineCyclin-Dependent KinasesProtein BindingThreoninePhosphoserineOxidative PhosphorylationProtein-Tyrosine KinasesBinding SitesCyclin-Dependent Kinase 5Cells, CulturedEnzyme InhibitorsMutationProtein Kinase CCyclin-Dependent Kinase 2Recombinant ProteinsCDC2 Protein KinasePhosphopeptidesCyclic AMP-Dependent Protein KinasesProtein Structure, TertiaryPhosphotyrosineBlotting, WesternTransfectionCyclin-Dependent Kinase 4Cell Cycle ProteinsMutagenesis, Site-DirectedProto-Oncogene Proteins c-aktPhosphothreonineProtein Processing, Post-TranslationalSignal TransductionProto-Oncogene ProteinsMitogen-Activated Protein KinasesCell CycleIntracellular Signaling Peptides and ProteinsHeLa CellsBase SequenceCell Line, TumorCDC2-CDC28 KinasesPhosphoprotein PhosphatasesAdenosine TriphosphateModels, BiologicalRecombinant Fusion ProteinsCasein Kinase IIElectrophoresis, Polyacrylamide Gelsrc-Family KinasesPeptide MappingCatalysisDNA-Binding ProteinsImmunoblottingCarrier ProteinsPrecipitin TestsProteinsMitogen-Activated Protein Kinase 1ImmunoprecipitationPhosphatidylinositol 3-KinasesCalcium-Calmodulin-Dependent Protein KinasesModels, MolecularGlycogen Synthase Kinase 3COS CellsSequence Homology, Amino AcidCalciumTime FactorsIsoenzymesMitogen-Activated Protein Kinase 3CyclinsProtein TransportAdaptor Proteins, Signal TransducingCell NucleusMolecular WeightMitosisMembrane ProteinsMAP Kinase Signaling SystemAmino Acid SubstitutionExtracellular Signal-Regulated MAP KinasesApoptosisProtein Kinase InhibitorsNuclear ProteinsCatalytic DomainCattleTumor Cells, CulturedAmino Acid MotifsEscherichia coliProtein Tyrosine PhosphatasesTranscription FactorsHydrolysisp38 Mitogen-Activated Protein KinasesCyclin-Dependent Kinase 63T3 CellsTetradecanoylphorbol AcetateProtein Conformation