SerinePhosphorylationAmino Acid SequenceMolecular Sequence DataPhosphoserineMutagenesis, Site-DirectedProtein KinasesProtein-Serine-Threonine KinasesBinding SitesTyrosineCell LinePhosphoproteinsThreonineEnzyme ActivationProtein BindingMutationKineticsSerine EndopeptidasesProtein Structure, TertiaryPeptide MappingPhosphopeptidesRecombinant ProteinsProtein Kinase CBase SequenceSequence Homology, Amino AcidSubstrate SpecificityCasein Kinase IICyclic AMP-Dependent Protein KinasesProtein Processing, Post-TranslationalCells, CulturedProtein-Tyrosine KinasesAmino Acid SubstitutionModels, MolecularTransfectionOxidative PhosphorylationPeptide FragmentsProtein ConformationElectrophoresis, Polyacrylamide GelEnzyme InhibitorsSignal TransductionPhosphotyrosinePhosphothreonineCOS CellsRecombinant Fusion ProteinsBlotting, WesternStructure-Activity RelationshipPhosphoprotein PhosphatasesAmino AcidsCloning, MolecularDNA-Binding ProteinsHeLa CellsProto-Oncogene Proteins c-aktSequence AlignmentProteinsMolecular WeightPrecipitin TestsPhosphoamino AcidsAmino Acid MotifsSerine ProteasesMitogen-Activated Protein KinasesSerine Proteinase InhibitorsPeptidesCalcium-Calmodulin-Dependent Protein KinasesEscherichia coliCysteineProto-Oncogene ProteinsAlanineTrypsinCasein KinasesIntracellular Signaling Peptides and ProteinsImmunoblottingCattleMembrane ProteinsCarrier Proteins14-3-3 ProteinsImmunoprecipitationCell MembraneGlycogen Synthase Kinase 3CalciumOkadaic AcidProtein Structure, SecondaryAdenosine TriphosphateCatalysisTetradecanoylphorbol AcetateProtein TransportCell Line, TumorCell NucleusCricetinaeMitogen-Activated Protein Kinase 1IsoenzymesPhosphatidylinositol 3-KinasesModels, BiologicalMass SpectrometryTranscription FactorsDNA PrimersCatalytic Domainsrc-Family KinasesTumor Cells, CulturedCytoplasmPhosphorus Radioisotopes