SulfurAmino AcidsSulfur CompoundsSequence Homology, Amino AcidAmino Acid SequenceAmino Acids, SulfurSulfur DioxideSulfur IsotopesCloning, MolecularAmino Acid SubstitutionMolecular Sequence DataBase SequenceAmino Acids, EssentialBinding SitesSequence AlignmentEscherichia coliAmino Acid Transport SystemsMutationKineticsAmino Acid MotifsMustard GasMutagenesis, Site-DirectedSulfidesPeptide FragmentsProtein ConformationModels, MolecularStructure-Activity RelationshipRecombinant ProteinsThiosulfatesDNA, ComplementaryProtein Structure, TertiaryProtein BindingSequence Homology, Nucleic AcidCysteineSubstrate SpecificityBacterial ProteinsSulfur OxidesMethionineMolecular WeightPeptidesPhylogenyLeucineAmino Acids, AromaticDNARecombinant Fusion ProteinsCell LineAmino Acids, Branched-ChainRestriction MappingSequence Analysis, DNASulfatesElectrophoresis, Polyacrylamide GelGenes, BacterialPlasmidsProtein Structure, SecondaryAlanineChromatography, High Pressure LiquidProteinsOxidation-ReductionRNA, MessengerCarrier ProteinsCattleConserved SequenceDNA PrimersChlorobiLysineNitrogenOxidoreductases Acting on Sulfur Group DonorsSpecies SpecificityTrypsinGlycineAspartic AcidSequence DeletionHydrogen-Ion ConcentrationSaccharomyces cerevisiaeBiological TransportTransfectionIsoleucineCyanogen BromideSulfur HexafluorideCatalysisAmino Acid Transport Systems, BasicCystineMutagenesisMembrane ProteinsMacromolecular SubstancesDNA, BacterialChromatiaceaeCodonCarboxyl and Carbamoyl TransferasesSulfurtransferasesTranscription, GeneticGenesProtein BiosynthesisOpen Reading FramesSequence AnalysisPolymerase Chain ReactionProtein O-MethyltransferaseArginineAmino Acids, BasicChemical Warfare Agents