CystathionineCystathionine beta-SynthaseCystathionine gamma-LyaseCysteineCysteine DioxygenaseSulfurMethionineHomocysteineSulfur CompoundsHomocystinuriaCarbon-Oxygen LyasesTaurineGlutathioneHydrogen SulfideS-AdenosylmethionineLyasesDioxygenasesCysteine SynthaseSulfatesCarboxy-LyasesVitamin B 6 DeficiencyAmino Acids, SulfurPyridoxal PhosphateBetaine-Homocysteine S-MethyltransferaseHyperhomocysteinemiaGlycine N-MethyltransferaseS-AdenosylhomocysteineAlkynesVitamin B 6MethylationCystineMethionine AdenosyltransferaseLiverMolecular Sequence DataKineticsCysteine EndopeptidasesFolic AcidSulfur RadioisotopesCysteine ProteasesHomocystineSerineLipid MetabolismEnergy MetabolismHydro-LyasesAmino Acid SequenceCarbon IsotopesDietCloning, MolecularSulfidesPyridoxineMutationSerine O-AcetyltransferaseVitamin B 12 DeficiencyHomoserineOxidation-ReductionRats, Sprague-DawleyFolic Acid DeficiencySulfhydryl CompoundsCysteine Proteinase InhibitorsVitamin A DeficiencyBase SequenceAmino Acid Metabolism, Inborn ErrorsDeficiency DiseasesMice, KnockoutEscherichia coliSulfur Isotopes5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase