CystathionineCystathionine gamma-LyaseCystathionine beta-SynthaseLyasesHomocystinuriaHomoserineMethionineCystinePyridoxal PhosphateHydrogen SulfideCarbon-Oxygen LyasesLiverHomocysteineHyperhomocysteinemiaCysteine SynthaseS-AdenosylmethionineCysteineHydro-LyasesHomocystineSulfurCitrate (si)-SynthaseAlkynesBetaine-Homocysteine S-MethyltransferaseMolecular Sequence DataPyridoxineVitamin B 6 DeficiencyGlycogen SynthaseSulfidesGlycogen Synthase Kinase 3Thymidylate SynthaseNitric Oxide Synthase Type I5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseAmino Acid SequenceS-AdenosylhomocysteineSerine O-AcetyltransferaseBase SequenceKineticsVitamin UEscherichia coliCloning, MolecularSulfur IsotopesMutationReflex, AbdominalBetaineSerineNitric OxideHemeAmino Acids, SulfurGamma RaysVitamin B 6GlycineRecombinant ProteinsRNA, MessengerEnzyme InhibitorsFolic AcidVitamin B 12