IUBMB Enzyme Nomenclature


Accepted name: cyanidin 3-O-(6-O-glucosyl-2-O-xylosylgalactoside) 6'''-O-hydroxycinnamoyltransferase

Reaction: 1-O-(4-hydroxycinnamoyl)-β-D-glucose + cyanidin 3-O-(6-O-β-D-glucosyl-2-O-β-D-xylosyl-β-D-galactoside) = β-D-glucose + cyanidin 3-O-[6-O-(6-O-4-hydroxycinnamoyl-β-D-glucosyl)-2-O-β-D-xylosyl-β-D-galactoside]

For diagram of reaction click here.

Glossary: 1-O-(4-hydroxycinnamoyl)-β-D-glucose = 1-O-(4-coumaroyl)-β-D-glucose
cyanidin = 3,3',4',5,7-pentahydroxyflavylium

Other name(s): 1-O-(4-hydroxycinnamoyl)-β-D-glucose:cyanidin 3-O-(2"-O-xylosyl-6"-O-glucosylgalactoside) 6'''-O-(4-hydroxycinnamoyl)transferase

Systematic name: 1-O-(4-hydroxycinnamoyl)-β-D-glucose:cyanidin 3-O-(6-O-β-D-glucosyl-2-O-β-D-xylosyl-β-D-galactoside) 6'''-O-(4-hydroxycinnamoyl)transferase

Comments: Isolated from the plant Daucus carota (Afghan cultivar carrot). In addition to 1-O-(4-hydroxycinnamoyl)-β-D-glucose, the enzyme can use the 1-O-sinapoyl- and 1-O-feruloyl- derivatives of β-D-glucose.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Gläßgen, W.E. and Seitz, H.U. Acylation of anthocyanins with hydroxycinnamic acids via 1-O-acylglucosides by protein preparations from cell cultures of Daucus carota L. Planta 186 (1992) 582-585.

[EC created 2013]

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