ExplorEnz: EC 2.4.2.25

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2.4.2.25

Accepted name:

flavone apiosyltransferase

Reaction:

UDP-α-D-apiose + apigenin 7-O-β-D-glucoside = UDP + apigenin 7-O-[β-D-apiosyl-(1→2)-β-D-glucoside]

For diagram of apigenin derivatives biosynthesis, click here

Glossary:

apigenin = 4′,5,7-trihydroxyflavone
β-D-apiose = (2R,3R,4R)-4-(hydroxymethyl)tetrahydrofuran-2,3,4-triol

Other name(s):

uridine diphosphoapiose-flavone apiosyltransferase; UDP-apiose:7-O-(β-D-glucosyl)-flavone apiosyltransferase

Systematic name:

UDP-apiose:5,4′-dihydroxyflavone 7-O-β-D-glucoside 2′′-O-β-D-apiofuranosyltransferase

Comments:

7-O-β-D-Glucosides of a number of flavonoids and of 4-substituted phenols can act as acceptors.

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 37332-49-3

References:

1.	Ortmann, R., Sutter, A. and Grisebach, H. Purification and properties of UDPapiose: 7-O-(β-D-glucosyl)-flavone apiosyltransferase from cell suspension cultures of parsley. Biochim. Biophys. Acta 289 (1972) 293–302. [DOI] [PMID: 4650134]

[EC 2.4.2.25 created 1976]