Anthocyanin 5-O-glucoside 6'''-O-malonyltransferase

In enzymology, an anthocyanin 5-O-glucoside 6'''-O-malonyltransferase (Template:EC number) is an enzyme that catalyzes the chemical reaction

malonyl-CoA + pelargonidin 3-O-(6-caffeoyl-beta-D-glucoside) 5-O-beta-D-glucoside $\rightleftharpoons$ CoA + 4'''-demalonylsalvianin

Thus, the two substrates of this enzyme are malonyl-CoA and pelargonidin 3-O-(6-caffeoyl-beta-D-glucoside) 5-O-beta-D-glucoside, whereas its two products are CoA and 4'''-demalonylsalvianin.

This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is malonyl-CoA:pelargonidin-3-O-(6-caffeoyl-beta-D-glucoside)-5-O-beta- D-glucoside 6'''-O-malonyltransferase.

References

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