HistidineHistidine DecarboxylaseDiethyl PyrocarbonateHistidine Ammonia-LyaseAmino Acid SequenceMolecular Sequence DataHydrogen-Ion ConcentrationBinding SitesMutagenesis, Site-DirectedATP PhosphoribosyltransferaseHistidinolUrocanate HydrataseProtein KinasesAmino AcidsBacterial ProteinsModels, MolecularKineticsEscherichia coliProtein ConformationAcid Anhydride HydrolasesMutationZincPeptide PHIFormiminoglutamic AcidSequence Homology, Amino AcidBase SequenceHistamineCatalysisHemeCarnosineMethylhistidinesMagnetic Resonance SpectroscopyProtein BindingProtein Structure, TertiaryRecombinant ProteinsFormatesStructure-Activity RelationshipRNA, Transfer, HisCrystallography, X-RayHydroxylamineWhalesAmino Acid SubstitutionOperonProtonsCopperMyoglobinCysteineHemeproteinsSalmonella typhimuriumGene Expression Regulation, BacterialCloning, MolecularSequence AlignmentAspartic AcidRose BengalHistidine-tRNA LigaseCarboxy-LyasesCatalytic DomainOxidation-ReductionProtein Structure, SecondarySubstrate SpecificityAmmonia-LyasesElectron Spin Resonance SpectroscopyHydroxylaminesSpectrum Analysis, RamanHistidinol-PhosphataseAlanineConserved SequenceHydrogen BondingSpectrophotometryLigandsArginineNickelEscherichia coli ProteinsCircular DichroismGenes, BacterialAmino Acid Transport Systems, BasicLysineTryptophanSpectrophotometry, UltravioletModels, ChemicalAmino Acids, EssentialNucleoside-Diphosphate KinaseFIGLU TestPhosphorylationCaulobacter crescentusPhosphoric Monoester HydrolasesSignal TransductionMutagenesisPeptide FragmentsPhotochemistryImidazolesPlasmidsAnserinePhosphotransferases