ID   2.8.2.28
DE   quercetin-3,3'-bissulfate 7-sulfotransferase.
CA   3'-phosphoadenylyl sulfate + quercetin 3,3'-bissulfate = adenosine
CA   3',5'-bisphosphate + H(+) + quercetin 3,3',7-trissulfate.
CC   -!- Quercetin 3,4'-bissulfate can also act as acceptor.
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