IUBMB Enzyme Nomenclature


Accepted name: acylphloroglucinol glucosyltransferase

Reaction: UDP-α-D-glucose + 2-acylphloroglucinol = UDP + 2-acylphloroglucinol 1-O-β-D-glucoside

For diagram of reaction click here.

Glossary: phlorisobutyrophenone = 2-methyl-1-(2,4,6-trihydroxyphenyl)propan-1-one
phlorisovalerophenone = 3-methyl-1-(2,4,6-trihydroxyphenyl)butan-1-one

Other name(s): UGT71K3

Systematic name: UDP-α-D-glucose:2-acylphloroglucinol 1-O-β-glucosyltransferase

Comments: Isolated from strawberries (Fragaria × ananassa). Acts best on phloroisovalerophenone and phlorobutyrophenone but will also glycosylate many other phenolic compounds. A minor product of the reaction is the 5-O-β-D-glucoside

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


1. Song, C., Zhao, S., Hong, X., Liu, J., Schulenburg, K. and Schwab, W. A UDP-glucosyltransferase functions in both acylphloroglucinol glucoside and anthocyanin biosynthesis in strawberry (Fragaria × ananassa). Plant J. 85 (2016) 730-742. [PMID: 26859691]

[EC created 2018]

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