ID 4.2.3.69 DE (+)-alpha-barbatene synthase. CA (2E,6E)-farnesyl diphosphate = (+)-alpha-barbatene + diphosphate. CC -!- The recombinant enzyme from the plant Arabidopsis thaliana produces CC 27.3% alpha-barbatene, 17.8% thujopsene (cf. EC 4.2.3.79) and 9.9% CC beta-chamigrene (cf. 4.2.3.78) plus traces of other sesquiterpenoids. DR Q4KSH9, BARS_ARATH ; //