The Enzyme Database

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EC 4.2.3.117     
Accepted name: (-)-camphene synthase
Reaction: geranyl diphosphate = (-)-camphene + diphosphate
Glossary: (-)-camphene = (1S,4R)-2,2-dimethyl-3-methylenebicyclo[2.2.1]heptane
Other name(s): CS
Systematic name: geranyl-diphosphate diphosphate-lyase [cyclizing, (-)-camphene-forming]
Comments: (-)-Camphene is the major product in Abies grandis (grand fir) with traces of other monoterpenoids [1]. In Pseudotsuga menziesii (Douglas-fir) there are about equal parts of (-)-camphene and (-)-α-pinene with traces of four other monoterpenoids [2,3]. In Solanum lycopersicum (tomato) tricyclene, β-myrcene, limonene, and traces of several other monoterpenoids are also formed [4]. See also EC 4.2.3.15 myrcene synthase, EC 4.2.3.16 (4S)-limonene synthase, EC 4.2.3.119 (-)-α-pinene synthase and EC 4.2.3.105 tricyclene synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Bohlmann, J., Phillips, M., Ramachandiran, V., Katoh, S. and Croteau, R. cDNA cloning, characterization, and functional expression of four new monoterpene synthase members of the Tpsd gene family from grand fir (Abies grandis). Arch. Biochem. Biophys. 368 (1999) 232–243. [PMID: 10441373]
2.  Huber, D.P.W., Philippe, R.N., Godard, K.-A., Sturrock, R.N. and Bohlmann, J. Characterization of four terpene synthase cDNAs from methyl jasmonate-induced Douglas-fir, Pseudotsuga menziesii. Phytochemistry 66 (2005) 1427–1439. [PMID: 15921711]
3.  Hyatt, D.C. and Croteau, R. Mutational analysis of a monoterpene synthase reaction: altered catalysis through directed mutagenesis of (-)-pinene synthase from Abies grandis. Arch. Biochem. Biophys. 439 (2005) 222–233. [PMID: 15978541]
4.  Falara, V., Akhtar, T.A., Nguyen, T.T., Spyropoulou, E.A., Bleeker, P.M., Schauvinhold, I., Matsuba, Y., Bonini, M.E., Schilmiller, A.L., Last, R.L., Schuurink, R.C. and Pichersky, E. The tomato terpene synthase gene family. Plant Physiol. 157 (2011) 770–789. [PMID: 21813655]
[EC 4.2.3.117 created 2012]
 
 


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