https://www.ncbi.nlm.nih.gov/pubmed/27688619 (Publisher version)
Parage, C., Foureau, E., Kellner, F., Burlat, V., Mahroug, S., Lanoue, A., et al. (2016). Class II cytochrome P450 reductase governs the biosynthesis of alkaloids. Plant Physiology, 172(3), 1563-1577. doi:10.1104/pp.16.00801.