The Enzyme Database

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Accepted name: terpentetriene synthase
Reaction: terpentedienyl diphosphate = terpentetriene + diphosphate
For diagram of diterpenoid biosynthesis, click here
Other name(s): Cyc2 (ambiguous)
Systematic name: terpentedienyl-diphosphate diphosphate-lyase (terpentetriene-forming)
Comments: Requires Mg2+ for maximal activity but can use Mn2+, Fe2+ or Co2+ to a lesser extent [2]. Following on from EC, terpentedienyl-diphosphate synthase, this enzyme completes the transformation of geranylgeranyl diphosphate (GGDP) into terpentetriene, which is a precursor of the diterpenoid antibiotic terpentecin. Farnesyl diphosphate can also act as a substrate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Dairi, T., Hamano, Y., Kuzuyama, T., Itoh, N., Furihata, K. and Seto, H. Eubacterial diterpene cyclase genes essential for production of the isoprenoid antibiotic terpentecin. J. Bacteriol. 183 (2001) 6085–6094. [DOI] [PMID: 11567009]
2.  Hamano, Y., Kuzuyama, T., Itoh, N., Furihata, K., Seto, H. and Dairi, T. Functional analysis of eubacterial diterpene cyclases responsible for biosynthesis of a diterpene antibiotic, terpentecin. J. Biol. Chem. 277 (2002) 37098–37104. [DOI] [PMID: 12138123]
3.  Eguchi, T., Dekishima, Y., Hamano, Y., Dairi, T., Seto, H. and Kakinuma, K. A new approach for the investigation of isoprenoid biosynthesis featuring pathway switching, deuterium hyperlabeling, and 1H NMR spectroscopy. The reaction mechanism of a novel streptomyces diterpene cyclase. J. Org. Chem. 68 (2003) 5433–5438. [DOI] [PMID: 12839434]
[EC created 2008]

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