Reaction: S-adenosyl-L-methionine + 10-hydroxydihydrosanguinarine = S-adenosyl-L-homocysteine + dihydrochelirubine
For diagram click here.
Systematic name: S-adenosyl-L-methionine:10-hydroxydihydrosanguinarine 10-O-methyltransferase
Comments: this reaction is part of the pathway for synthesis of benzophenanthridine alkaloids in plants.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 144388-39-6
1. De-Eknamkul, W., Tanahashi, T., Zenk, M.H. Enzymic 10-hydroxylation and 10-O-methylation of dihydrosanguinarine in Eschscholtzia. Phytochemistry 31 (1992) 2713-2717.