SerinePhosphorylationAmino Acid SequenceMolecular Sequence DataProtein KinasesPhosphoproteinsPhosphoserineProtein-Serine-Threonine KinasesCell LineTyrosineBinding SitesKineticsMutagenesis, Site-DirectedPhosphopeptidesEnzyme ActivationProtein Kinase CThreonineMutationProtein BindingPhosphoprotein PhosphatasesPeptide MappingProtein Structure, TertiarySubstrate SpecificityBase SequenceRecombinant ProteinsCyclic AMP-Dependent Protein KinasesProtein Processing, Post-TranslationalProteinsSerine EndopeptidasesSignal TransductionSequence Homology, Amino AcidCells, CulturedOkadaic AcidElectrophoresis, Polyacrylamide GelProtein-Tyrosine KinasesMolecular WeightEnzyme InhibitorsCasein Kinase IIModels, MolecularAmino Acid SubstitutionPhosphothreoninePhosphotyrosineTransfectionPeptide FragmentsAmino AcidsCalciumProtein ConformationEthers, CyclicPhosphorus RadioisotopesBlotting, WesternTetradecanoylphorbol AcetateOxidative PhosphorylationCyclic AMPRecombinant Fusion ProteinsStructure-Activity RelationshipArginine VasopressinArginine KinaseMembrane ProteinsHeLa CellsAdenosine TriphosphateCOS CellsCalcium-Calmodulin-Dependent Protein KinasesCloning, MolecularPeptidesMass SpectrometryDNA-Binding ProteinsAmino Acid MotifsSequence AlignmentEscherichia coliCarrier ProteinsCattleCell MembraneProtein Phosphatase 2Mitogen-Activated Protein KinasesProto-Oncogene Proteins c-aktPrecipitin TestsPhosphoamino AcidsIntracellular Signaling Peptides and ProteinsTrypsinProto-Oncogene ProteinsCasein KinasesCell NucleusProtein Kinase InhibitorsModels, BiologicalImmunoblottingProtein Phosphatase 1Glycogen Synthase Kinase 3IsoenzymesOxazolesTime FactorsImmunoprecipitationTumor Cells, CulturedPhosphatesNuclear ProteinsCatalysisCysteineAlanineCytosolSerine Proteinase InhibitorsTranscription Factors