HistidineAlanineHistidine DecarboxylaseAlanine TransaminaseAlanine RacemaseDiethyl PyrocarbonateHistidine Ammonia-LyaseAmino Acid SequenceMolecular Sequence DataAlanine DehydrogenaseMutagenesis, Site-DirectedAmino AcidsBinding SitesHydrogen-Ion ConcentrationKineticsModels, MolecularMutationAmino Acid SubstitutionProtein ConformationEscherichia coliBacterial ProteinsProtein KinasesATP PhosphoribosyltransferaseSequence Homology, Amino AcidHistidinolBase SequenceUrocanate HydrataseProtein BindingAspartate AminotransferasesProtein Structure, TertiaryStructure-Activity RelationshipRecombinant ProteinsCatalysisAspartic AcidMagnetic Resonance SpectroscopyAcid Anhydride HydrolasesCysteineZincGlutamineSerineSequence AlignmentProtein Structure, SecondarySubstrate SpecificityLiverCloning, MolecularTransaminasesPeptide PHICrystallography, X-RayFormiminoglutamic AcidHemeConserved SequenceHistamineMethylhistidinesPhosphorylationCatalytic DomainLysineCarnosineMutagenesisPoint MutationArginineProtonsCircular DichroismFormatesGene Expression Regulation, BacterialGlycineOxidation-ReductionPeptidesTryptophanOperonCopperHydroxylamineWhalesSalmonella typhimuriumLigandsRNA, Transfer, HisMyoglobinHemeproteinsNitrogenEscherichia coli ProteinsGlutamatesHydrogen BondingCarboxy-LyasesSpectrophotometryProlinePlasmidsPeptide FragmentsAmino Acid MotifsLeucineModels, ChemicalThreonineRose BengalHistidine-tRNA LigaseElectron Spin Resonance SpectroscopyDNA PrimersGenes, BacterialRecombinant Fusion ProteinsCell LineSpectrum Analysis, RamanHydroxylaminesPhenylalanine