CysteineCysteine DioxygenaseCystathionineCystathionine beta-SynthaseCystathionine gamma-LyaseSulfur CompoundsTaurineHomocystinuriaDioxygenasesSulfatesCarboxy-LyasesGlutathioneHydrogen SulfideCarbon-Oxygen LyasesCysteine EndopeptidasesCysteine SynthaseMethionineCysteine ProteasesLyasesHomocysteineMolecular Sequence DataSulfurAmino Acid SequenceHyperhomocysteinemiaCysteine Proteinase InhibitorsS-AdenosylmethioninePyridoxal PhosphateSulfhydryl CompoundsHomocystineAlkynesHydro-LyasesSerine O-AcetyltransferaseCystineSulfidesEnergy MetabolismLipid MetabolismDisulfidesOxidation-ReductionBetaine-Homocysteine S-MethyltransferaseKineticsVitamin B 6 DeficiencyMutationLiverPyridoxineAmino Acids, SulfurEscherichia coliHomoserineBase SequenceS-AdenosylhomocysteineMutagenesis, Site-DirectedRecombinant ProteinsCloning, MolecularModels, MolecularSequence Homology, Amino AcidSulfur IsotopesBinding SitesGlycineProtein Structure, TertiaryCathepsinsAmino AcidsChromatography, High Pressure Liquid5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseCystatinsVitamin UProtein ConformationBetaineProtein BindingHemeVitamin B 6Substrate SpecificityCatalysisCathepsin LReflex, AbdominalPapainMetabolismAmino Acid Metabolism, Inborn ErrorsFolic AcidCatalytic DomainSulfhydryl ReagentsHydrogen-Ion ConcentrationCathepsin BSulfurtransferasesGlucoseVitamin B 12Amino Acid SubstitutionSequence AlignmentSerineCarbon-Sulfur LyasesMass SpectrometryStructure-Activity RelationshipGene Expression Regulation, EnzymologicBacterial ProteinsCell LineModels, BiologicalCarbon IsotopesAlanineEthylmaleimideRNA, MessengerMetabolic Networks and PathwaysL-Serine Dehydratase