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EC Explorer

EC 1.14.13.102 Details
EC number
1.14.13.102
Accepted name
psoralen synthase
Reaction
(+)-marmesin + NADPH + H+ + O2 = psoralen + NADP+ + acetone + 2 H2O
Other name(s)
CYP71AJ1
Systematic name
(+)-marmesin,NADPH:oxygen oxidoreductase
Comment
This microsomal cytochrome P-450-dependent enzyme is specific for (+)-marmesin, and to a much lesser extent 5-hydroxymarmesin, as substrate. Furanocoumarins protect plants from fungal invasion and herbivore attack. (+)-Columbianetin, the angular furanocoumarin analogue of the linear furanocoumarin (+)-marmesin, is not a substrate for the enzyme but it is a competitive inhibitor.
History
created 2007, deleted 2018
EC Tree
1.14.13.45 created 1992, deleted 2003