Accepted name: 12-hydroxydihydrochelirubine 12-O-methyltransferase
Reaction: S-adenosyl-L-methionine + 12-hydroxydihydrochelirubine = S-adenosyl-L-homocysteine + dihydromacarpine
Systematic name: S-adenosyl-L-methionine:12-hydroxydihydrochelirubine 12-O-methyltransferase
Comments: This reaction is part of the pathway for synthesis of benzophenanthridine alkaloid macarpine in plants.
1.  Kammerer, L., De-Eknamkul, W. and Zenk, M.H. Enzymic 12-hydroxylation and 12-O-methylation of dihydrochelirubine in dihydromacarpine formation by Thalictrum bulgaricum. Phytochemistry 36 (1994) 1409–1416.
[EC created 1999]

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