The Enzyme Database

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Accepted name: leukotriene-C4 synthase
Reaction: leukotriene C4 = leukotriene A4 + glutathione
For diagram of leukotriene biosynthesis, click here
Glossary: leukotriene C4 = (7E,9E,11Z,14Z)-(5S,6R)-6-(glutathion-S-yl)-5-hydroxyicosa-7,9,11,14-tetraenoate
leukotriene A4 = (7E,9E,11Z,14Z)-(5S,6S)-5,6-epoxyicosa-7,9,11,14-tetraenoate
Other name(s): leukotriene C4 synthetase; LTC4 synthase; LTC4 synthetase; leukotriene A4:glutathione S-leukotrienyltransferase; (7E,9E,11Z,14Z)-(5S,6R)-5,6-epoxyicosa-7,9,11,14-tetraenoate:glutathione leukotriene-transferase (epoxide-ring-opening); (7E,9E,11Z,14Z)-(5S,6R)-6-(glutathion-S-yl)-5-hydroxyicosa-7,9,11,14-tetraenoate glutathione-lyase (epoxide-forming)
Systematic name: leukotriene-C4 glutathione-lyase (leukotriene-A4-forming)
Comments: The reaction proceeds in the direction of addition. Not identical with EC, glutathione transferase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 90698-32-1
1.  Bach, M.K., Brashler, J.R. and Morton, D.R., Jr. Solubilization and characterization of the leukotriene C4 synthetase of rat basophil leukemia cells: a novel, particulate glutathione S-transferase. Arch. Biochem. Biophys. 230 (1984) 455–465. [PMID: 6324687]
2.  Shimizu, T. Enzymes functional in the syntheses of leukotrienes and related compounds. Int. J. Biochem. 20 (1988) 661–666. [PMID: 2846379]
3.  Lam, B.K. and Austen, K.F. Leukotriene C4 synthase: a pivotal enzyme in cellular biosynthesis of the cysteinyl leukotrienes. Prostaglandins Other Lipid Mediat. 68-69 (2002) 511–520. [PMID: 12432940]
4.  Christmas, P., Weber, B.M., McKee, M., Brown, D. and Soberman, R.J. Membrane localization and topology of leukotriene C4 synthase. J. Biol. Chem. 277 (2002) 28902–28908. [PMID: 12023288]
[EC created 1989 as EC, transferred 2004 to EC]

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