IUBMB Enzyme Nomenclature


Accepted name: flavonol 3-sulfotransferase

Reaction: 3'-phosphoadenylyl sulfate + quercetin = adenosine 3',5'-bisphosphate + quercetin 3-sulfate

For diagram click here.

Glossary: 3'-phosphoadenylyl sulfate = PAPS

Systematic name: 3'-phosphoadenylyl-sulfate:quercetin 3-sulfotransferase

Other name(s): 3'-phosphoadenylyl-sulfate:quercetin 3-sulfonotransferase

Comments: Also acts on some other flavonol aglycones.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 121855-10-5


1. Varin, L. and Ibrahim, R.K. Partial purification and characterization of 3 flavonol-specific sulfotransferases from Flaveria chloraefolia. Plant Physiol. 90 (1989) 977-981.

[EC created 1992]

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