PhosphopeptidesPhosphoserinePhosphorylationPeptide MappingPhosphothreonineSerineAmino Acid SequencePhosphoproteinsMolecular Sequence DataTrypsinProtein KinasesCaseinsMass SpectrometryPeptide FragmentsPhosphotyrosine14-3-3 ProteinsPhosphoric Monoester HydrolasesThreonineProteomicsPhosphorus RadioisotopesTitaniumZirconiumBinding SitesGentisatesTyrosineGalliumAmino AcidsSubstrate SpecificityKineticsElectrophoresis, Polyacrylamide GelProteomeChromatography, High Pressure LiquidChromatography, LiquidCasein KinasesMolecular WeightPhosphatesPhosphoprotein PhosphatasesTandem Mass SpectrometryHafniumChromatography, AffinityRibosomal Protein S6Spectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationSpectrometry, Mass, Electrospray IonizationSalivary Proline-Rich ProteinsPhosphoamino AcidsTransaminasesDynamin IIIPeptidesProtein BindingCell LineCation Exchange ResinsTrifluoroacetic AcidPhosphotransferasesProtein Kinase CProline-Directed Protein KinasesSequence Homology, Amino AcidAmino Acid MotifsMethanococcalesProtein-Tyrosine KinasesReceptor, InsulinProtein Tyrosine PhosphatasesIonsCattleAmino Acids, BasicIon Exchange ResinsElectrophoresis, Gel, Two-Dimensionalsrc Homology DomainsRecombinant ProteinsTetradecanoylphorbol AcetateProtein Structure, TertiaryProteinsMutagenesis, Site-DirectedProtein Processing, Post-TranslationalEnzyme ActivationSignal TransductionAlkaline PhosphataseProtein-Serine-Threonine KinasesPhosphoglycerate DehydrogenaseMacromolecular SubstancesIsotope LabelingHeLa CellsRecombinant Fusion ProteinsMutationAntibodies, Phospho-SpecificModels, MolecularPrecipitin TestsCyanogen BromideCyclic AMPPhosphoglycerate MutaseProto-Oncogene Proteins pp60(c-src)Cyclic AMP-Dependent Protein KinasesRabbitsCells, CulturedMethylmethacrylatesStructure-Activity RelationshipCalcium-Calmodulin-Dependent Protein KinasesAmino Acid SubstitutionEsterificationDynamin ITyrosine 3-Monooxygenase