IUBMB Enzyme Nomenclature


Accepted name: demethylsterigmatocystin 6-O-methyltransferase

Reaction: S-adenosyl-L-methionine + 6-demethylsterigmatocystin = S-adenosyl-L-homocysteine + sterigmatocystin

For diagram click here.

Other name(s): demethylsterigmatocystin methyltransferase; O-methyltransferase I

Systematic name: S-adenosyl-L-methionine:6-demethylsterigmatocystin 6-O-methyltransferase

Comments: Dihydrodemethylsterigmatocystin can also act as acceptor. Involved in the biosynthesis of aflatoxins in fungi.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 123516-47-2


1. Yabe, K., Ando, Y., Hashimoto, J. and Hamasaki, T. 2 distinct O-methyltransferases in aflatoxin biosynthesis. Appl. Environ. Microbiol. 55 (1989) 2172-2177.

[EC created 1992]

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