The Enzyme Database

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Accepted name: quercetin-3,3′-bissulfate 7-sulfotransferase
Reaction: 3′-phosphoadenylyl sulfate + quercetin 3,3′-bissulfate = adenosine 3′,5′-bisphosphate + quercetin 3,7,3′-trissulfate
For diagram of sulfated quercetin derivatives biosynthesis, click here
Glossary: 3′-phosphoadenylyl sulfate = PAPS
Other name(s): flavonol 7-sulfotransferase; 7-sulfotransferase; PAPS:flavonol 3,3′/3,4′-disulfate 7-sulfotransferase; 3′-phosphoadenylyl-sulfate:quercetin-3,3′-bissulfate 7-sulfotransferase
Systematic name: 3′-phosphoadenylyl-sulfate:quercetin-3,3′-bissulfate 7-sulfonotransferase
Comments: Quercetin 3,4′-bissulfate can also act as acceptor.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 121855-13-8
1.  Varin, L. Enzymatic synthesis of sulfated flavonoids in Flaveria spp. Bull. Liaison-Groupe Polyphenols 14 (1988) 248–257.
[EC created 1992]

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