The Enzyme Database

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Accepted name: linoleate 13S-lipoxygenase
Reaction: (1) linoleate + O2 = (9Z,11E,13S)-13-hydroperoxyoctadeca-9,11-dienoate
(2) α-linolenate + O2 = (9Z,11E,13S,15Z)-13-hydroperoxyoctadeca-9,11,15-trienoate
Glossary: linoleate = (9Z,12Z)-octadeca-9,12-dienoate
α-linolenate = (9Z,12Z,15Z)-octadeca-9,12,15-trienoate
Other name(s): 13-lipoxidase; carotene oxidase; 13-lipoperoxidase; fat oxidase; 13-lipoxydase; lionoleate:O2 13-oxidoreductase
Systematic name: linoleate:oxygen 13-oxidoreductase
Comments: Contains nonheme iron. A common plant lipoxygenase that oxidizes linoleate and α-linolenate, the two most common polyunsaturated fatty acids in plants, by inserting molecular oxygen at the C-13 position with (S)-configuration. This enzyme produces precursors for several important compounds, including the plant hormone jasmonic acid. EC, linoleate 9S-lipoxygenase, catalyses a similar reaction at the second available position of these fatty acids.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9029-60-1
1.  Christopher, J., Pistorius, E. and Axelrod, B. Isolation of an enzyme of soybean lipoxidase. Biochim. Biophys. Acta 198 (1970) 12–19. [DOI] [PMID: 5461103]
2.  Theorell, H., Holman, R.T. and Åkesson, Å. Crystalline lipoxidase. Acta Chem. Scand. 1 (1947) 571–576. [PMID: 18907700]
3.  Zimmerman, D.C. Specificity of flaxseed lipoxidase. Lipids 5 (1970) 392–397. [DOI] [PMID: 5447012]
4.  Royo, J., Vancanneyt, G., Perez, A.G., Sanz, C., Stormann, K., Rosahl, S. and Sanchez-Serrano, J.J. Characterization of three potato lipoxygenases with distinct enzymatic activities and different organ-specific and wound-regulated expression patterns. J. Biol. Chem. 271 (1996) 21012–21019. [DOI] [PMID: 8702864]
5.  Bachmann, A., Hause, B., Maucher, H., Garbe, E., Voros, K., Weichert, H., Wasternack, C. and Feussner, I. Jasmonate-induced lipid peroxidation in barley leaves initiated by distinct 13-LOX forms of chloroplasts. Biol. Chem. 383 (2002) 1645–1657. [DOI] [PMID: 12452441]
[EC created 1961 as EC, transferred 1965 to EC, transferred 1972 to EC, modified 2011, modified 2012]

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