ID 4.2.3.158 DE (-)-spiroviolene synthase. CA (2E,6E,10E)-geranylgeranyl diphosphate = (-)-spiroviolene + diphosphate. CC -!- The enzyme, which forms the diterpene (-)-spiroviolene, has been CC characterized from the bacterium Streptomyces violens. DR P0DPK6, SPVIS_STRVB; //