CystathionineCystathionine beta-SynthaseCystathionine gamma-LyaseCysteineCysteine DioxygenaseSulfurHomocystinuriaHomocysteineMethionineCarbon-Oxygen LyasesSulfur CompoundsHydrogen SulfideTaurineGlutathioneLyasesS-AdenosylmethionineCysteine SynthaseDioxygenasesSulfatesCarboxy-LyasesVitamin B 6 DeficiencyPyridoxal PhosphateHyperhomocysteinemiaBetaine-Homocysteine S-MethyltransferaseAmino Acids, SulfurAlkynesS-AdenosylhomocysteineGlycine N-MethyltransferaseVitamin B 6MethylationCystineHomocystineLiverMethionine AdenosyltransferaseHydro-LyasesMolecular Sequence DataPyridoxineSulfidesFolic AcidHomoserineKineticsSerineSerine O-AcetyltransferaseAmino Acid SequenceCysteine EndopeptidasesCloning, MolecularMutation5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseSulfur IsotopesCarbon IsotopesVitamin UDietBetaineSulfur RadioisotopesAmino Acid Metabolism, Inborn ErrorsCysteine ProteasesLipid MetabolismEnergy MetabolismSulfhydryl CompoundsReflex, AbdominalFolic Acid DeficiencyVitamin B 12 DeficiencyGlycineVitamin B 12HemeBase SequenceEscherichia coliOxidation-ReductionRats, Sprague-Dawley