Reaction: S-adenosyl-L-methionine + (–)-pluviatolide = S-adenosyl-L-homocysteine + (–)-bursehernin
For diagram of reaction click here.
Glossary:(–)-pluviatolide = (3R,4R)-4-(2H-1,3-benzodioxol-5-ylmethyl)-3-[(4-hydroxy-3-methoxyphenyl)methyl]oxolan-2-one
(–)-bursehernin = (3R,4R)-4-(2H-1,3-benzodioxol-5-ylmethyl)-3-[(3,4-dimethoxyphenyl)methyl]oxolan-2-one
Other name(s): OMT3 (gene name)
Systematic name: S-adenosyl-L-methionine:(&¿#150;)-pluviatolide 4-O-methyltransferase
Comments: The enzyme, characterized from the plant Sinopodophyllum hexandrum, is involved in the biosynthetic pathway of podophyllotoxin, a non-alkaloid toxin lignan whose derivatives are important anticancer drugs.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number:
References:
1. Lau, W. and Sattely, E.S. Six enzymes from mayapple that complete the biosynthetic pathway to the etoposide aglycone. Science 349 (2015) 1224-1228. [PMID: 26359402]