HistidineAmino Acid SequenceAmino AcidsMolecular Sequence DataSequence Homology, Amino AcidCloning, MolecularBase SequenceMutagenesis, Site-DirectedBinding SitesAmino Acid SubstitutionModels, MolecularProtein ConformationEscherichia coliSequence AlignmentMutationKineticsStructure-Activity RelationshipProtein Structure, TertiaryRecombinant ProteinsHistidine DecarboxylasePeptide FragmentsProtein BindingSubstrate SpecificityProtein Structure, SecondaryBacterial ProteinsDNA, ComplementaryPeptidesAmino Acid MotifsDiethyl PyrocarbonateSequence Homology, Nucleic AcidConserved SequenceRecombinant Fusion ProteinsMolecular WeightDNACysteineHydrogen-Ion ConcentrationRestriction MappingLysineElectrophoresis, Polyacrylamide GelCell LinePlasmidsAmino Acids, EssentialAlanineCatalysisGenes, BacterialTrypsinChromatography, High Pressure LiquidCyanogen BromideAspartic AcidDNA PrimersMutagenesisPoint MutationCircular DichroismAmino Acid Transport SystemsCattleProteinsMagnetic Resonance SpectroscopyCrystallography, X-RayArginineLeucineCatalytic DomainTryptophanSequence Analysis, DNAPhylogenyCarrier ProteinsSpecies SpecificityHydrolysisAmino Acids, AromaticRNA, MessengerSequence DeletionHistidine Ammonia-LyaseSaccharomyces cerevisiaeAmino Acids, BasicMembrane ProteinsMacromolecular SubstancesEscherichia coli ProteinsTransfectionGenesIsoleucineSequence AnalysisEnzyme StabilityCodonGlycineChymotrypsinSerinePeptide MappingGene LibraryPolymerase Chain ReactionPhenylalanineCOS CellsProtein Processing, Post-TranslationalProtein FoldingChromatography, GelCell MembraneProtein PrecursorsOpen Reading FramesEndopeptidasesDNA, BacterialAsparagineProline