Characterization of a Vitis vinifera cv. Cabernet Sauvignon 3′,5′-O-methyltransferase showing strong preference for anthocyanins and glycosylated flavonols

FAOMT carries out 3′- and 5′-O-methylation of anthocyanins and flavonols in grape berries. The preferred substrate for FAOMT was delphinidin 3-O-glucoside.