The Enzyme Database

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Accepted name: (+)-α-barbatene synthase
Reaction: (2E,6E)-farnesyl diphosphate = (+)-α-barbatene + diphosphate
For diagram of barbatene biosynthesis, click here and for diagram of biosynthesis of tricyclic sesquiterpenoids derived from bisabolyl cation, click here
Other name(s): AtBS
Systematic name: (2E,6E)-farnesyl-diphosphate diphosphate-lyase [(+)-α-barbatene-forming]
Comments: The recombinant enzyme from the plant Arabidopsis thaliana produces 27.3% α-barbatene, 17.8% thujopsene (cf. EC, thujopsene synthase) and 9.9% β-chamigrene (cf. EC, β-chamigrene synthase) [1] plus traces of other sesquiterpenoids [2].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Wu, S., Schoenbeck, M.A., Greenhagen, B.T., Takahashi, S., Lee, S., Coates, R.M. and Chappell, J. Surrogate splicing for functional analysis of sesquiterpene synthase genes. Plant Physiol. 138 (2005) 1322–1333. [PMID: 15965019]
2.  Tholl, D., Chen, F., Petri, J., Gershenzon, J. and Pichersky, E. Two sesquiterpene synthases are responsible for the complex mixture of sesquiterpenes emitted from Arabidopsis flowers. Plant J. 42 (2005) 757–771. [PMID: 15918888]
[EC created 2011, modified 2012]

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