ID 1.21.3.11 DE precondylocarpine acetate synthase. CA O-acetyl-15alpha-stemmadenine + O2 = precondylocarpine acetate + H2O2. CC -!- The enzyme, characterized from the plant Catharanthus roseus CC (Madagascar periwinkle), participates in a pathway that leads to the CC production of a number of monoterpene alkaloids, as well as the CC bisindole alkaloids vinblastine and vincristine, which are used as CC anticancer drugs. CC -!- The enzyme is similar to berberine bridge enzymes such as EC 1.21.3.3 CC and requires an FAD cofactor. DR A0A2S1XB67, ASO_CATRO ; A0A5B8X6A1, PAS1_TABIB ; A0A5B8X7E6, PAS2_TABIB ; DR A0A5B8XB28, PAS3_TABIB ; //