SerinePhosphorylationAmino Acid SequenceMolecular Sequence DataPhosphoserineProtein-Serine-Threonine KinasesProtein KinasesCell LineMutagenesis, Site-DirectedEnzyme ActivationTyrosineBinding SitesPhosphoproteinsThreonineProtein BindingMutationKineticsSerine EndopeptidasesProtein Structure, TertiaryPeptide MappingProtein Kinase CRecombinant ProteinsPhosphopeptidesBase SequenceMitogen-Activated Protein KinasesSequence Homology, Amino AcidCells, CulturedSubstrate SpecificitySignal TransductionProtein-Tyrosine KinasesTransfectionCyclic AMP-Dependent Protein KinasesEnzyme InhibitorsProtein Processing, Post-TranslationalCasein Kinase IIAmino Acid SubstitutionModels, Molecularp38 Mitogen-Activated Protein KinasesOxidative PhosphorylationMAP Kinase Signaling SystemPeptide FragmentsBlotting, WesternProtein ConformationElectrophoresis, Polyacrylamide GelCOS CellsRecombinant Fusion ProteinsPhosphotyrosinePhosphothreonineStructure-Activity RelationshipCalcium-Calmodulin-Dependent Protein KinasesPhosphoprotein PhosphatasesMitogen-Activated Protein Kinase 1Proto-Oncogene Proteins c-aktDNA-Binding ProteinsCloning, MolecularAmino AcidsHeLa CellsPrecipitin TestsProteinsMitogen-Activated Protein Kinase 3Sequence AlignmentAmino Acid MotifsMolecular WeightProto-Oncogene ProteinsPhosphoamino AcidsSerine ProteasesPeptidesIntracellular Signaling Peptides and ProteinsSerine Proteinase InhibitorsImmunoblottingEscherichia coliCysteineMembrane ProteinsAlanineTrypsinCarrier ProteinsCasein KinasesCell Line, TumorImmunoprecipitationPhosphatidylinositol 3-KinasesCattle14-3-3 ProteinsCell MembraneExtracellular Signal-Regulated MAP KinasesCalciumGlycogen Synthase Kinase 3Models, BiologicalMitogen-Activated Protein Kinase KinasesTetradecanoylphorbol AcetateOkadaic AcidProtein TransportCell NucleusIsoenzymesAdenosine TriphosphateTranscription FactorsCatalysisProtein Structure, SecondaryCricetinaesrc-Family KinasesDNA Primers