CystathionineCystathionine beta-SynthaseCystathionine gamma-LyaseSulfurCysteineCysteine DioxygenaseSulfur CompoundsMethionineHomocysteineHomocystinuriaCarbon-Oxygen LyasesTaurineGlutathioneHydrogen SulfideS-AdenosylmethionineLyasesDioxygenasesSulfatesCysteine SynthaseCarboxy-LyasesAmino Acids, SulfurVitamin B 6 DeficiencyPyridoxal PhosphateBetaine-Homocysteine S-MethyltransferaseHyperhomocysteinemiaGlycine N-MethyltransferaseS-AdenosylhomocysteineAlkynesMethylationVitamin B 6Sulfur IsotopesCystineMethionine AdenosyltransferaseLiverSulfidesMolecular Sequence DataSulfur DioxideKineticsSulfur RadioisotopesCysteine EndopeptidasesOxidation-ReductionEnergy MetabolismCarbon IsotopesHomocystineSerineCysteine ProteasesHydro-LyasesAmino Acid SequenceLipid MetabolismFolic AcidChromatography, High Pressure LiquidCloning, MolecularSulfhydryl CompoundsBiotransformationSerine O-AcetyltransferaseDietPyridoxineRats, Sprague-DawleyMustard GasHomoserineThiosulfatesMutationSulfurtransferasesGas Chromatography-Mass SpectrometryEscherichia coliCysteine Proteinase InhibitorsVitamin UMass SpectrometryBase SequenceSulfur OxidesMetabolic Networks and PathwaysMetabolismBetaineGlycine5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseMagnetic Resonance SpectroscopyAmino Acids