The Enzyme Database

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Accepted name: α-copaene synthase
Reaction: (2E,6E)-farnesyl diphosphate = (-)-α-copaene + diphosphate
For diagram of cadinane sesquiterpenoid biosynthesis, click here
Glossary: (-)-α-copaene = (1R,2S,6S,7S,8S)-1,3-dimethyl-8-(propan-2-yl)tricyclo[,7]dec-3-ene
For diagram of the structures of α-copaene and β-copaene, click here
Systematic name: (2E,6E)-farnesyl-diphosphate diphosphate-lyase (cyclizing, α-copaene-forming)
Comments: Isolated from Helianthus annuus (sunflower). The enzyme also produces β-caryophyllene, δ-cadinene and traces of other sesquiterpenoids. See EC (+)-δ-cadinene synthase, EC (-)-β-caryophyllene synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Gopfert, J.C., Macnevin, G., Ro, D.K. and Spring, O. Identification, functional characterization and developmental regulation of sesquiterpene synthases from sunflower capitate glandular trichomes. BMC Plant Biol. 9:86 (2009). [DOI] [PMID: 19580670]
2.  Xie, X., Kirby, J. and Keasling, J.D. Functional characterization of four sesquiterpene synthases from Ricinus communis (castor bean). Phytochemistry 78 (2012) 20–28. [DOI] [PMID: 22459969]
[EC created 2012]

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