PhosphopeptidesMass SpectrometryPhosphorylationPeptide MappingCaseinsAmino Acid SequenceTrypsinTandem Mass SpectrometryMolecular Sequence DataProteomicsPhosphoproteinsSpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTitaniumPhosphoserineChromatography, LiquidZirconiumGentisatesProtein KinasesPhosphothreonineProteomeGalliumPeptide FragmentsSerineHafniumRibosomal Protein S6Chromatography, High Pressure LiquidSalivary Proline-Rich ProteinsPhosphotyrosineDynamin IIICation Exchange ResinsTrifluoroacetic AcidBinding SitesChromatography, AffinityProline-Directed Protein KinasesIonsThreonineTyrosineBody Mass IndexCasein KinasesSubstrate SpecificityPhosphorus RadioisotopesPeptidesAmino Acids, BasicKineticsIon Exchange ResinsIsotope Labelingsrc Homology DomainsElectrophoresis, Polyacrylamide GelPhosphotransferasesMolecular WeightElectrophoresis, Gel, Two-DimensionalProtein BindingProto-Oncogene Proteins pp60(c-src)Phosphoamino AcidsProtein Kinase CMethylmethacrylatesAmino Acid MotifsProtein-Tyrosine KinasesPhosphatesProteinsEsterificationChemical FractionationPhosphoprotein PhosphatasesDynamin IProtein Processing, Post-TranslationalIndicators and ReagentsSignal TransductionCell LineCattlePhenylmethylsulfonyl FluorideReceptor, InsulinAmino AcidsGas Chromatography-Mass SpectrometryHydroxyapatitesIsoelectric PointRecombinant ProteinsReceptors, Platelet-Derived Growth FactorMutagenesis, Site-DirectedProtein-Serine-Threonine KinasesProtein Tyrosine PhosphatasesChemical PrecipitationChromatography, Ion ExchangeHeLa CellsSH2 Domain-Containing Protein Tyrosine PhosphatasesDurapatiteEstersRecombinant Fusion ProteinsSequence Homology, Amino AcidShc Signaling Adaptor ProteinsRibosomal ProteinsGlutathione TransferaseTetradecanoylphorbol AcetateMacromolecular SubstancesAcidsCyclic AMPGRB2 Adaptor ProteinIntracellular Signaling Peptides and ProteinsRabbitsEnzyme Activation