The Enzyme Database

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EC 1.14.14.59     
Accepted name: dimethylnonatriene synthase
Reaction: (3S,6E)-nerolidol + [reduced NADPH—hemoprotein reductase] + O2 = (3E)-4,8-dimethylnona-1,3,7-triene + [oxidized NADPH—hemoprotein reductase] + but-3-en-2-one + 2 H2O
For diagram of acyclic sesquiterpenoid biosynthesis, click here
Other name(s): CYP82G1; CYP92C5; DMNT/TMTT homoterpene synthase
Systematic name: (3S,6E)-nerolidol,[reduced NADPH—hemoprotein reductase]:oxygen oxidoreductase
Comments: A cytochrome P-450 (heme-thiolate) protein isolated from the plants Arabidopsis thaliana (thale cress) and Zea mays (maize). It forms this C11 homoterpene in response to herbivore attack. In vitro the enzyme also converts (6E,10E)-geranyllinalool to (3E,7E)-4,8,12-trimethyltrideca-1,3,7,11-tetraene (see EC 1.14.14.58, trimethyltridecatetraene synthase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Lee, S., Badieyan, S., Bevan, D.R., Herde, M., Gatz, C. and Tholl, D. Herbivore-induced and floral homoterpene volatiles are biosynthesized by a single P450 enzyme (CYP82G1) in Arabidopsis. Proc. Natl. Acad. Sci. USA 107 (2010) 21205–21210. [DOI] [PMID: 21088219]
2.  Richter, A., Schaff, C., Zhang, Z., Lipka, A.E., Tian, F., Kollner, T.G., Schnee, C., Preiss, S., Irmisch, S., Jander, G., Boland, W., Gershenzon, J., Buckler, E.S. and Degenhardt, J. Characterization of biosynthetic pathways for the production of the volatile homoterpenes DMNT and TMTT in Zea mays. Plant Cell 28 (2016) 2651–2665. [DOI] [PMID: 27662898]
[EC 1.14.14.59 created 2018]
 
 


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