CystathionineCysteine DioxygenaseCystathionine beta-SynthaseCysteineSulfur CompoundsCystathionine gamma-LyaseTaurineSulfurHomocystinuriaDioxygenasesSulfatesCarboxy-LyasesGlutathioneHydrogen SulfideCarbon-Oxygen LyasesMethionineLyasesHomocysteineAmino Acids, SulfurSulfur IsotopesCysteine SynthaseSulfidesSulfur DioxideHyperhomocysteinemiaS-AdenosylmethionineCysteine EndopeptidasesMolecular Sequence DataPyridoxal PhosphateHomocystineCysteine ProteasesHydro-LyasesAlkynesEnergy MetabolismAmino Acid SequenceLipid MetabolismOxidation-ReductionBetaine-Homocysteine S-MethyltransferaseSulfhydryl CompoundsSerine O-AcetyltransferaseCystinePyridoxineVitamin B 6 DeficiencyLiverKineticsMustard GasHomoserineThiosulfatesS-AdenosylhomocysteineSulfurtransferasesMutationCysteine Proteinase InhibitorsVitamin UEscherichia coliSulfur OxidesBase Sequence5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseGlycineBetaineCloning, MolecularDisulfidesModels, MolecularOxidoreductases Acting on Sulfur Group DonorsRecombinant ProteinsHemeMetabolismAmino AcidsVitamin B 6Chromatography, High Pressure LiquidReflex, AbdominalAmino Acid Metabolism, Inborn ErrorsSequence Homology, Amino AcidFolic AcidSerineGlucoseBinding SitesProtein Structure, TertiaryCatalysisVitamin B 12Metabolic Networks and PathwaysChlorobiMutagenesis, Site-DirectedHydrogen-Ion ConcentrationCarbon IsotopesProtein BindingSubstrate SpecificityBacterial ProteinsModels, BiologicalCatalytic DomainL-Serine DehydrataseProtein ConformationGene Expression Regulation, EnzymologicSulfur HexafluorideMass SpectrometryChromatiaceaeRNA, MessengerCulture MediaDietSaccharomyces cerevisiaeChemical Warfare AgentsLactobacillus helveticus