MitosisSerinePhosphorylationAmino Acid SequenceMolecular Sequence DataPhosphoserineProtein-Serine-Threonine KinasesProtein KinasesCell LineMutagenesis, Site-DirectedBinding SitesTyrosinePhosphoproteinsMutationProtein BindingThreonineEnzyme ActivationKineticsProtein Structure, TertiarySerine EndopeptidasesPeptide MappingRecombinant ProteinsPhosphopeptidesBase SequenceSequence Homology, Amino AcidProtein Kinase CSubstrate SpecificityHeLa CellsCells, CulturedCDC2 Protein KinaseCell Cycle ProteinsTransfectionProtein Processing, Post-TranslationalProtein-Tyrosine KinasesCasein Kinase IICyclic AMP-Dependent Protein KinasesAmino Acid SubstitutionModels, MolecularRecombinant Fusion ProteinsOxidative PhosphorylationPeptide FragmentsEnzyme InhibitorsSignal TransductionCell CycleElectrophoresis, Polyacrylamide GelProtein ConformationBlotting, WesternPhosphothreoninePhosphoprotein PhosphatasesCOS CellsDNA-Binding ProteinsPhosphotyrosineStructure-Activity RelationshipCloning, MolecularSpindle ApparatusCell NucleusNuclear ProteinsSequence AlignmentProteinsAmino AcidsPrecipitin TestsAmino Acid MotifsProto-Oncogene ProteinsMolecular WeightProto-Oncogene Proteins c-aktImmunoblottingMitogen-Activated Protein KinasesPeptidesPhosphoamino AcidsCarrier ProteinsModels, BiologicalSerine ProteasesCalcium-Calmodulin-Dependent Protein KinasesIntracellular Signaling Peptides and ProteinsSerine Proteinase InhibitorsMembrane ProteinsProtein TransportImmunoprecipitationEscherichia coliCysteineOkadaic AcidCell Line, TumorTrypsin14-3-3 ProteinsAlanineCattleCasein KinasesCricetinaeCytoplasmCell MembraneTime FactorsTranscription FactorsGlycogen Synthase Kinase 3CalciumDNACatalysisAdenosine TriphosphateDNA PrimersProtein Structure, SecondarySaccharomyces cerevisiae