HistidineTyrosineDiethyl PyrocarbonateAmino Acid SequenceMolecular Sequence DataBinding SitesMutagenesis, Site-DirectedHydrogen-Ion ConcentrationHistidine DecarboxylaseKineticsModels, MolecularProtein ConformationProtein Tyrosine PhosphatasesPhosphorylationProtein BindingSequence Homology, Amino AcidFormatesBase SequenceMutationHydroxylamineEscherichia coliProtein Structure, TertiaryAmino AcidsStructure-Activity RelationshipTyrosine 3-MonooxygenaseRecombinant ProteinsCatalysisAmino Acid SubstitutionCysteineRose BengalMagnetic Resonance SpectroscopyHydroxylaminesZincSubstrate SpecificitySequence AlignmentProtein Structure, SecondaryCloning, MolecularBacterial ProteinsConserved SequenceSignal TransductionPeptide FragmentsCrystallography, X-RayHistidine Ammonia-LyaseCell LineCatalytic DomainCircular DichroismProtonsOxidation-ReductionPhosphotyrosinePeptidesAspartic AcidHemeLigandsSpectrophotometry, UltravioletRecombinant Fusion ProteinsAlanineProtein KinasesLysineCopperEnzyme ActivationPhotochemistryTrypsinHydrogen BondingPoint MutationIodoacetatesCattleChemistryChemical PhenomenaTryptophanModels, ChemicalProtein Tyrosine Phosphatase, Non-Receptor Type 11Electrophoresis, Polyacrylamide GelTransfectionMutagenesisBromosuccinimideProteinsArginineAmino Acid MotifsNickelChromatography, High Pressure LiquidPlasmidsEscherichia coli ProteinsDNA PrimersReceptor Protein-Tyrosine KinasesSerineMembrane ProteinsMolecular WeightSpectrophotometryWhalesRibonucleasesPhenylalanineEnzyme InhibitorsMyoglobinProtein Tyrosine Phosphatase, Non-Receptor Type 6Cell MembraneHydrolysisHemeproteinsEnzyme StabilityCarrier ProteinsElectron Spin Resonance Spectroscopy