Accepted name: Botryococcus squalene synthase
Reaction: squalene + diphosphate + NADP+ = presqualene diphosphate + NADPH + H+
Other name(s): SSL-2 (gene name)
Systematic name: squalene:NADP+ oxidoreductase
Comments: Isolated from the green alga Botryococcus braunii BOT22. Acts in the reverse direction. cf. EC, squalene synthase, where squalene is formed directly from farnesyl diphosphate.
1.  Niehaus, T.D., Okada, S., Devarenne, T.P., Watt, D.S., Sviripa, V. and Chappell, J. Identification of unique mechanisms for triterpene biosynthesis in Botryococcus braunii. Proc. Natl. Acad. Sci. USA 108 (2011) 12260–12265. [PMID: 21746901]
[EC created 2012]

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