ID 1.13.11.24 DE quercetin 2,3-dioxygenase. CA O2 + quercetin = 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + CO. CC -!- Quercetin is a flavonol (5,7,3',4'-tetrahydroxyflavonol). DR O00625, PIR_HUMAN ; Q9D711, PIR_MOUSE ; Q5M827, PIR_RAT ; DR Q7SIC2, QDOI_ASPJA ; P42106, QDOI_BACSU ; Q9I4D3, Y1205_PSEAE; DR Q9I4C8, Y1210_PSEAE; Q9XBR7, Y1337_ZYMMO; Q9HLU2, Y133_THEAC ; DR Q9CKD7, Y1685_PASMU; P73623, Y1773_SYNY3; P9WI84, Y181_MYCTO ; DR P9WI85, Y181_MYCTU ; P65725, Y187_MYCBO ; Q9I163, Y2418_PSEAE; DR Q9HZ00, Y3240_PSEAE; Q9KKY1, Y3769_VIBCH; P58116, YHHW_ECO57 ; DR P46852, YHHW_ECOLI ; //