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{{Infobox enzyme
| Name = Terpentetriene synthase
| EC_number = 4.2.3.36
| CAS_number = 
| IUBMB_EC_number = 4/2/3/36
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Terpentetriene synthase''' ({{EC number|4.2.3.36}}, ''Cyc2'') is an [[enzyme]] with system name ''terpentedienyl-diphosphate diphosphate-lyase (terpentetriene-forming)''.<ref>{{cite journal | title = Eubacterial diterpene cyclase genes essential for production of the isoprenoid antibiotic terpentecin |author = Dairi, T., Hamano, Y., Kuzuyama, T., Itoh, N., Furihata, K. and Seto, H. |journal = J. Bacteriol. |year = 2001 |volume = 183 |pages = 6085–6094 |pmid = 11567009}}</ref><ref>{{cite journal | title = Functional analysis of eubacterial diterpene cyclases responsible for biosynthesis of a diterpene antibiotic, terpentecin |author = Hamano, Y., Kuzuyama, T., Itoh, N., Furihata, K., Seto, H. and Dairi, T. |journal = J. Biol. Chem. |year = 2002 |volume = 277 |pages = 37098–37104 |pmid = 12138123}}</ref><ref>{{cite journal | title = A new approach for the investigation of isoprenoid biosynthesis featuring pathway switching, deuterium hyperlabeling, and <sup>1</sup>H NMR spectroscopy. The  reaction mechanism of a novel streptomyces diterpene cyclase |author = Eguchi, T., Dekishima, Y., Hamano, Y., Dairi, T., Seto, H. and Kakinuma, K. |journal = J. Org. Chem. |year = 2003 |volume = 68 |pages = 5433–5438 |pmid = 12839434}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: terpentedienyl diphosphate <math>\rightleftharpoons</math> [[terpentetriene]] + [[diphosphate]]

This enzyme requires Mg<sup>2+</sup> for maximal activity but can use Mn<sup>2+</sup>, Fe<sup>2+</sup> or Co<sup>2+</sup> to a lesser extent.

== References ==
{{reflist}}

== External links ==
* {{MeshName|Terpentetriene+synthase}}

[[Category:EC 4.2.3]]