PhosphoserineSerinePhosphorylationPhosphothreoninePhosphopeptides14-3-3 ProteinsPhosphoric Monoester HydrolasesAmino Acid SequenceTransaminasesProtein KinasesMolecular Sequence DataPhosphoproteinsAmino AcidsPhosphorus RadioisotopesMethanococcalesThreoninePeptide MappingPhosphotyrosineMolecular WeightPhosphatesPhosphoprotein PhosphatasesElectrophoresis, Polyacrylamide GelTrypsinPhosphoglycerate DehydrogenasePeptide FragmentsKineticsAntibodies, Phospho-SpecificSubstrate SpecificityPhosphoglycerate MutaseTyrosineBinding SitesSequence Homology, Amino AcidCell LinePhosphoamino AcidsTyrosine 3-MonooxygenaseDual-Specificity PhosphatasesPhosphatidylserinesProtein BindingElectrophoresis, PaperSelenocysteineAlpharetrovirusModels, MolecularCasein KinasesBorohydridesProtein Structure, TertiaryProtein Tyrosine PhosphatasesCrystallography, X-RayChromatography, High Pressure LiquidCattleProtein Kinase CPeptidesMutationAlkaline PhosphataseReceptor, InsulinEnzyme ActivationImmunosorbent TechniquesAmino Acid MotifsAspartic AcidRNA, Transfer, Amino AcylRecombinant ProteinsTetradecanoylphorbol AcetateMass SpectrometryPrecipitin TestsOrganophosphorus CompoundsOkadaic AcidProtein-Tyrosine KinasesProtein Phosphatase 2Macromolecular SubstancesAlanineMagnetic Resonance SpectroscopySequence AlignmentBase SequenceOxazolesCyanogen BromideAmino Acid SubstitutionHydrogen-Ion ConcentrationMagnesiumAcid PhosphataseOncogene Protein pp60(v-src)Mutagenesis, Site-DirectedCyclic AMP-Dependent Protein KinasesCell Transformation, ViralPhosphotransferasesCells, CulturedProteinsStructure-Activity RelationshipEscherichia coliChickensVanadatesProtein-Serine-Threonine KinasesEpidermal Growth FactorRecombinant Fusion ProteinsProtein Structure, SecondaryHeLa CellsRabbitsProtein Processing, Post-TranslationalProto-Oncogene Proteins c-rafCysteineConserved SequenceChromatography, Affinity