ID 1.3.1.36 DE geissoschizine dehydrogenase. CA (19E)-geissoschizine + NADP(+) = 4,21-dehydrogeissoschizine + NADPH. CC -!- Involved in the interconversion of heteroyohimbine alkaloids in CC Catharanthus roseus. DR W8JWW7, GS_CATRO ; //