Substrate SpecificityPhosphotyrosineMolecular Sequence DataAmino Acid SequenceKineticsProtein Tyrosine PhosphatasesTyrosineSensitivity and SpecificityBinding SitesPhosphorylationModels, MolecularSequence Homology, Amino AcidRecombinant ProteinsProtein BindingCatalysisBase SequenceProtein-Tyrosine KinasesCatalytic Domainsrc Homology DomainsEscherichia coliHydrolysisMutagenesis, Site-DirectedProtein Structure, TertiaryCloning, MolecularCrystallography, X-RayHydrogen-Ion ConcentrationSequence AlignmentPhosphoproteinsPhosphopeptidesCell LineProtein ConformationMolecular WeightStructure-Activity RelationshipVanadatesMutationIsoenzymesEnzyme ActivationSignal TransductionRecombinant Fusion ProteinsElectrophoresis, Polyacrylamide GelPeptidesBacterial ProteinsAmino AcidsSpecies SpecificityAdaptor Proteins, Signal TransducingOligopeptidesAntibody SpecificityProteinsProtein KinasesShc Signaling Adaptor ProteinsAmino Acid MotifsMolecular StructureAmino Acid SubstitutionDNA PrimersProtein Tyrosine Phosphatase, Non-Receptor Type 6CattleDNA, ComplementaryProtein Structure, SecondaryTemperatureOncogene Protein pp60(v-src)Enzyme StabilityEnzyme InhibitorsProtein Tyrosine Phosphatase, Non-Receptor Type 11Chromatography, High Pressure LiquidTransfectionPhosphoprotein PhosphatasesIntracellular Signaling Peptides and ProteinsCells, CulturedPeptide FragmentsCarrier ProteinsProto-Oncogene Proteins pp60(c-src)StereoisomerismSaccharomyces cerevisiaeLiverOxidation-ReductionEndopeptidasesMembrane ProteinsSerine EndopeptidasesChromatography, GelGlutathione TransferaseDNAAlcohol Oxidoreductases3T3 CellsReceptor, InsulinCOS CellsPhylogenyPeptide Librarysrc-Family KinasesCell MembraneGRB2 Adaptor ProteinBiological TransportPrecipitin TestsCarbohydrate SequencePhosphoric Monoester HydrolasesPhosphoserineEscherichia coli ProteinsAdenosine TriphosphateProtein EngineeringNitrophenolsModels, Chemical