SerinePhosphorylationAmino Acid SequenceMolecular Sequence DataProtein BindingProtein KinasesPhosphoproteinsBinding SitesCell LinePhosphoserineProtein Structure, TertiaryTyrosineProtein-Serine-Threonine KinasesProtein Interaction MappingEnzyme ActivationThreonineProtein Kinase CPhosphopeptidesModels, MolecularBase SequenceTwo-Hybrid System TechniquesKineticsProtein ConformationMutagenesis, Site-DirectedProtein-Tyrosine KinasesCyclic AMP-Dependent Protein KinasesMutationPhosphoprotein PhosphatasesPeptide MappingTranscription FactorsOxidative PhosphorylationCells, CulturedProtein Processing, Post-TranslationalEnzyme InhibitorsPhosphotyrosineSignal TransductionRecombinant ProteinsPhosphothreonineCasein Kinase IIProteinsSubstrate SpecificityOkadaic AcidTransfectionElectrophoresis, Polyacrylamide GelBlotting, WesternCalciumMolecular WeightSequence Homology, Amino AcidProto-Oncogene Proteins c-aktMitogen-Activated Protein KinasesTetradecanoylphorbol AcetateCalcium-Calmodulin-Dependent Protein KinasesPhosphorus RadioisotopesCyclic AMPRecombinant Fusion ProteinsAmino Acid SubstitutionSerine EndopeptidasesPeptide FragmentsHeLa CellsCOS CellsDNA-Binding ProteinsIntracellular Signaling Peptides and ProteinsProto-Oncogene ProteinsEthers, CyclicAdenosine TriphosphateMembrane ProteinsPrecipitin TestsGlycogen Synthase Kinase 3ImmunoblottingCarrier ProteinsProtein Phosphatase 2Mitogen-Activated Protein Kinase 1Immunoprecipitationsrc-Family KinasesPhosphatidylinositol 3-KinasesProtein Kinase InhibitorsAmino Acid MotifsModels, BiologicalCell MembraneMass SpectrometryCell NucleusCell Line, TumorCattlePeptidesCasein KinasesProtein Phosphatase 1Structure-Activity RelationshipCDC2 Protein KinaseMitogen-Activated Protein Kinase 3IsoenzymesTumor Cells, CulturedPhosphoamino AcidsTime FactorsMAP Kinase Signaling SystemProtein TransportCell Cycle ProteinsAmino AcidsNuclear ProteinsCloning, MolecularAntibodies, Phospho-Specific