The Enzyme Database

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Accepted name: kaempferol 3-O-galactosyltransferase
Reaction: UDP-α-D-galactose + kaempferol = UDP + kaempferol 3-O-β-D-galactoside
For diagram of kaempferol biosynthesis, click here
Other name(s): F3GalTase; UDP-galactose:kaempferol 3-O-β-D-galactosyltransferase
Systematic name: UDP-α-D-galactose:kaempferol 3-O-β-D-galactosyltransferase
Comments: Acts on the endogenous flavonols kaempferol and quercetin, to a lesser extent on myricetin and fisetin, and weakly on galangin and isorhamnetin. The reaction can occur equally well in both directions.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Miller, K.D., Guyon, V., Evans, J.N., Shuttleworth, W.A. and Taylor, L.P. Purification, cloning, and heterologous expression of a catalytically efficient flavonol 3-O-galactosyltransferase expressed in the male gametophyte of Petunia hybrida. J. Biol. Chem. 274 (1999) 34011–34019. [PMID: 10567367]
[EC created 2004]

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