The Enzyme Database

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EC 1.14.14.131     
Accepted name: bursehernin 5′-monooxygenase
Reaction: (–)-bursehernin + [reduced NADPH—hemoprotein reductase] + O2 = (–)-5′-demethylyatein + [oxidized NADPH—hemoprotein reductase] + H2O
For diagram of podophyllotoxin biosynthesis, click here
Glossary: (–)-bursehernin = (3R,4R)-4-(2H-1,3-benzodioxol-5-ylmethyl)-3-[(3,4-dimethoxyphenyl)methyl]oxolan-2-one
(–)-5′-demethylyatein = (3R,4R)-4-(2H-1,3-benzodioxol-5-ylmethyl)-3-[(3-hydroxy-4,5-dimethoxyphenyl)methyl]oxolan-2-one
(–)-yaetin = (3R,4R)-4-(2H-1,3-benzodioxol-5-ylmethyl)-3-[(3,4,5-trimethoxyphenyl)methyl]oxolan-2-one
Other name(s): CYP71CU1 (gene name); bursehernin 5′-hydroxylase
Systematic name: (–)-bursehernin,[reduced NADPH—hemoprotein reductase]:oxygen oxidoreductase (5′-hydroxylating)
Comments: A cytochrome P-450 (heme-thiolate) protein characterized from the plant Sinopodophyllum hexandrum. The enzyme 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
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. [DOI] [PMID: 26359402]
[EC 1.14.14.131 created 2016 as EC 1.14.13.213, transferred 2018 to EC 1.14.14.131]
 
 


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