1.14.14.104 Dual catalytic activity of a cytochrome P450 controls bifurcation at a metabolic branch point of alkaloid biosynthesis in Rauwolfia serpentina Rauvolfia serpentina 1.14.14.104 Enzymic biosynthesis of vomilenine, a key intermediate of the ajmaline pathway, catalyzed by a novel cytochrome P450-dependent enzyme from plant cell cultures of Rauwolfia serpentina Rauvolfia serpentina