CystathionineCystathionine beta-SynthaseCystathionine gamma-LyaseCysteineCysteine DioxygenaseSulfurMethionineSulfur CompoundsHomocysteineHomocystinuriaCarbon-Oxygen LyasesTaurineGlutathioneHydrogen SulfideS-AdenosylmethionineLyasesDioxygenasesCysteine SynthaseSulfatesCarboxy-LyasesVitamin B 6 DeficiencyAmino Acids, SulfurPyridoxal PhosphateBetaine-Homocysteine S-MethyltransferaseHyperhomocysteinemiaGlycine N-MethyltransferaseAlkynesS-AdenosylhomocysteineVitamin B 6MethylationCystineMethionine AdenosyltransferaseLiverMolecular Sequence DataKineticsCysteine EndopeptidasesSulfur RadioisotopesCysteine ProteasesHomocystineSerineFolic AcidEnergy MetabolismHydro-LyasesLipid MetabolismToxicity TestsAmino Acid SequenceCarbon IsotopesSulfidesCloning, MolecularPyridoxineDietSerine O-AcetyltransferaseRats, Sprague-DawleyHomoserineSulfhydryl CompoundsOxidation-ReductionCysteine Proteinase InhibitorsMutationEscherichia coliSulfur Isotopes