obsolete delphinidin 3-O-rutinoside 7-O-glucosyltransferase (acyl-glucose dependent) activity (obsolete GO:0102590)
OBSOLETE. Catalysis of the reaction: delphinidin 3-O-rutinoside + 1-O-4-hydroxybenzoyl-beta-D-glucose = delphinidin 3-O-rutinoside-7-O-glucoside + 4-hydroxybenzoic acid + H+.