HistidineLysineHistidine DecarboxylaseDiethyl PyrocarbonateHistidine Ammonia-LyaseAmino Acid SequenceMolecular Sequence DataBinding SitesAmino AcidsMutagenesis, Site-DirectedHydrogen-Ion ConcentrationModels, MolecularKineticsMethylationMutationHistonesAcetylationProtein ConformationEscherichia coliBacterial ProteinsProtein BindingProtein KinasesATP PhosphoribosyltransferaseHistidinolUrocanate HydrataseSequence Homology, Amino AcidProtein Structure, TertiaryBase SequenceArginineCatalysisStructure-Activity RelationshipAmino Acid SubstitutionRecombinant ProteinsAcid Anhydride HydrolasesZincCarboxy-LyasesMagnetic Resonance SpectroscopySubstrate SpecificityCrystallography, X-RaySequence AlignmentPeptide PHIFormiminoglutamic AcidHemeCloning, MolecularCysteine2-Aminoadipic AcidOxidation-ReductionAmino Acids, EssentialSaccharopine DehydrogenasesHistamineAlanineCatalytic DomainCarnosineMethylhistidinesProtein Structure, SecondaryConserved SequencePeptidesHydroxylamineSwineProtein Processing, Post-TranslationalPeptide FragmentsCopperProtonsAcetic AnhydridesFormatesNitrogenGene Expression Regulation, BacterialPyridoxal PhosphateNutritional RequirementsOperonTryptophanSalmonella typhimuriumRNA, Transfer, HisMyoglobinHemeproteinsSaccharomyces cerevisiaeWhalesHistone DemethylasesAmino Acid Transport Systems, BasicHydrogen BondingEscherichia coli ProteinsHydroxylaminesLigandsSpectrophotometryCattleProtein MethyltransferasesAmmonia-LyasesMethionineTrypsinModels, ChemicalAspartic AcidPlasmidsGenes, BacterialRose BengalSpectrophotometry, UltravioletHistidine-tRNA LigasePhosphorylationElectron Spin Resonance SpectroscopyDietary ProteinsMutagenesis