MetaCyc Reaction:

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateSmall-Molecule Reactions

EC Number:

Enzymes and Genes:

Aspergillus parasiticus: O-methyltransferase IInferred from experiment: dmtA

In Pathway: sterigmatocystin biosynthesis

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the direction in which it was curated.

Most BioCyc compounds have been protonated to a reference pH value of 7.3. Please see the PGDB Concepts Guide for more information.

Mass balance status: Balanced.

Enzyme Commission Primary Name: demethylsterigmatocystin 6-O-methyltransferase

Enzyme Commission Synonyms: demethylsterigmatocystin methyltransferase, O-methyltransferase I

Standard Gibbs Free Energy (ΔrG): 6.1879883 kcal/molInferred by computational analysis [Latendresse13]

Enzyme Commission Summary:
Dihydrodemethylsterigmatocystin can also act as acceptor. Involved in the biosynthesis of aflatoxins in fungi.

Citations: [Yabe89]

Gene-Reaction Schematic

Gene-Reaction Schematic

Unification Links: KEGG:R03112, Rhea:11504

Relationship Links: BRENDA:EC:, ENZYME:EC:, IUBMB-ExplorEnz:EC:


Latendresse13: Latendresse M. (2013). "Computing Gibbs Free Energy of Compounds and Reactions in MetaCyc."

Yabe89: Yabe K, Ando Y, Hashimoto J, Hamasaki T (1989). "Two distinct O-methyltransferases in aflatoxin biosynthesis." Appl Environ Microbiol 55(9);2172-7. PMID: 2802602

Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
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