ID 2.3.1.323 DE stemmadenine O-acetyltransferase. CA 15alpha-stemmadenine + acetyl-CoA = O-acetyl-15alpha-stemmadenine + CoA. 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. DR A0A2P1GIW7, SAT_CATRO ; //