ID   1.13.11.24
DE   Quercetin 2,3-dioxygenase.
CA   Quercetin + O(2) = 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate +
CA   CO + H(+).
CF   Copper or iron.
CC   -!- Quercetin is a flavonol (5,7,3',4'-tetrahydroxyflavonol).
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