Reaction catalyzed by delphinidin 3',5'-O-glucosyltransferase (2.4.1.249)

		+			=			+
	UDP-D-glucose	+		cyanidin 3-O-(6-O-malonyl)-beta-D-glucoside	=		UDP	+		cyanidin 3-O-(6-O-malonyl)-beta-D-glucoside 3'-O-beta-D-glucoside