2.1.1.89 485659 enzymatic study of the late stages of protoberberine alkaloid biosynthesis Tetrahedron Lett. 25 4595-4598 1984 Berberis aggregata - 2.1.1.89 734973 Isolation and characterization of O-methyltransferases involved in the biosynthesis of glaucine in Glaucium flavum Plant Physiol. 169 1127-1140 2015 no activity in Glaucium flavum http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=26297140&form=6&db=m 2.1.1.89 734973 Isolation and characterization of O-methyltransferases involved in the biosynthesis of glaucine in Glaucium flavum Plant Physiol. 169 1127-1140 2015 Coptis japonica http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=26297140&form=6&db=m