The Enzyme Database

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Accepted name: cembrene A synthase
Reaction: geranylgeranyl diphosphate = (R)-cembrene A + diphosphate
For diagram of cembrene and related diterpenoids, click here
Glossary: cembrene A = (1E,5E,9E,12R)-1,5,9-trimethyl-12-(propan-2-en-2-yl)cyclotetradeca-1,5,9-triene
Other name(s): DtcycB (gene name)
Systematic name: geranylgeranyl-diphosphate diphosphate-lyase [(R)-cembrene-A-forming]
Comments: Requires Mg2+. Isolated from the bacterium Streptomyces sp. SANK 60404. This trifunctional enzyme, which contains a [4Fe-4S] cluster, also produces (R)-nephthenol and (1S,4E,8E,12E)-2,2,5,9,13-pentamethylcyclopentadeca-4,8,12-trien-1-ol. See EC, nephthenol synthase and EC, pentamethylcyclopentadecatrienol synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Meguro, A., Tomita, T., Nishiyama, M. and Kuzuyama, T. Identification and characterization of bacterial diterpene cyclases that synthesize the cembrane skeleton. ChemBioChem 14 (2013) 316–321. [DOI] [PMID: 23386483]
[EC created 2014]

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