SerineMitosisPhosphorylationAmino Acid SequenceMolecular Sequence DataProtein-Serine-Threonine KinasesPhosphoserineSerine EndopeptidasesProtein KinasesCell LineMutagenesis, Site-DirectedBinding SitesThreonineMutationTyrosinePhosphoproteinsProtein BindingEnzyme ActivationKineticsProtein Structure, TertiarySerine ProteasesBase SequenceSerine Proteinase InhibitorsRecombinant ProteinsPeptide MappingSequence Homology, Amino AcidPhosphopeptidesSubstrate SpecificityProtein Kinase CHeLa CellsCells, CulturedProtein Processing, Post-TranslationalTransfectionCell Cycle ProteinsCDC2 Protein KinaseAmino Acid SubstitutionCasein Kinase IIModels, MolecularCyclic AMP-Dependent Protein KinasesRecombinant Fusion ProteinsProtein-Tyrosine KinasesSignal TransductionPeptide FragmentsEnzyme InhibitorsElectrophoresis, Polyacrylamide GelPhosphoprotein PhosphatasesPhosphothreonineProtein ConformationBlotting, WesternOxidative PhosphorylationCloning, MolecularCOS CellsCell CycleDNA-Binding ProteinsStructure-Activity RelationshipPhosphotyrosineCell NucleusAmino AcidsSequence AlignmentNuclear ProteinsSpindle ApparatusPrecipitin TestsProteinsMolecular WeightAmino Acid MotifsProto-Oncogene ProteinsProto-Oncogene Proteins c-aktPhosphoamino AcidsImmunoblottingPeptidesCarrier ProteinsCysteineEscherichia coliMitogen-Activated Protein KinasesTrypsinCalcium-Calmodulin-Dependent Protein KinasesOkadaic AcidModels, BiologicalMembrane ProteinsAlanineIntracellular Signaling Peptides and ProteinsProtein TransportImmunoprecipitation14-3-3 ProteinsCell Line, TumorCattleCasein KinasesCricetinaeCell MembraneCytoplasmCatalysisTime FactorsDNA PrimersGlycogen Synthase Kinase 3Protein Phosphatase 2Transcription FactorsDNACalciumTumor Cells, CulturedSaccharomyces cerevisiae