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EC 1.14.13.43 Details
EC number
1.14.13.43
Accepted name
questin monooxygenase
Reaction
questin + NADPH + H+ + O2 = demethylsulochrin + NADP+
Other name(s)
questin oxygenase
Systematic name
questin,NADPH:oxygen oxidoreductase (hydroxylating, anthraquinone-ring-opening)
CAS registry number
115232-45-6
Comment
The enzyme cleaves the anthraquinone ring of questin to form a benzophenone. Involved in the biosynthesis of the seco-anthraquinone (+)-geodin.
History
created 1992
EC Tree
1.14.13.45 created 1992, deleted 2003