CystathionineCystathionine beta-SynthaseCystathionine gamma-LyaseCysteineMethionineCysteine DioxygenaseSulfurHomocysteineSulfur CompoundsHomocystinuriaCarbon-Oxygen LyasesTaurineGlutathioneHydrogen SulfideS-AdenosylmethionineLyasesDioxygenasesCysteine SynthaseSulfatesCarboxy-LyasesVitamin B 6 DeficiencyAmino Acids, SulfurBetaine-Homocysteine S-MethyltransferasePyridoxal PhosphateMethionine AdenosyltransferaseHyperhomocysteinemiaS-AdenosylhomocysteineGlycine N-MethyltransferaseAlkynesMethylationVitamin B 6CystineMethionine Sulfoxide ReductasesLiverMolecular Sequence Data5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseKineticsSulfur RadioisotopesFolic AcidHomocystineCysteine EndopeptidasesAmino Acid SequenceSerineCarbon IsotopesCysteine ProteasesHydro-LyasesEnergy MetabolismCloning, MolecularLipid MetabolismSulfidesDietOxidation-ReductionPyridoxineHomoserineSerine O-AcetyltransferaseAmino AcidsMutationEscherichia coliSulfhydryl CompoundsVitamin UVitamin B 12Base SequenceSulfur IsotopesBetaineRats, Sprague-DawleyCysteine Proteinase InhibitorsGlycineMethionyl AminopeptidasesRecombinant Proteins