IUBMB Enzyme Nomenclature

EC 2.4.2.25

Accepted name: flavone apiosyltransferase

Reaction: UDP-apiose + 5,7,4'-trihydroxyflavone 7-O-β-D-glucoside = UDP + 5,7,4'-trihydroxyflavone 7-O-[β-D-apiosyl-(1[arrow right]2)-β-D-glucoside]

For diagram click here.

Glossary: apigenin = 5,7,4'-trihydroxyflavone

Other name(s): uridine diphosphoapiose-flavone apiosyltransferase; UDPapiose: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. [PMID: 4650134]

[EC 2.4.2.25 created 1976]


Return to EC 2.4.2 home page
Return to EC 2.4 home page
Return to EC 2 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page