obsolete cyanidin 3-O-glucoside-p-coumaroyltransferase activity (obsolete GO:0102581)
OBSOLETE. Catalysis of the reaction: cyanidin 3-O-beta-D-glucoside betaine + 4-coumaryl-CoA + H+ = cyanidin 3-O-(6-O-(E)-4-coumaroyl-beta-D-glucoside) + coenzyme A.