obsolete cyanidin 3-O-[2''-O-(2''-O-(sinapoyl) xylosyl) 6''-O-(p-O-(glucosyl)-p-coumaroyl) glucoside] 5-O-[6''-O-(malonyl) glucoside] sinapoylglucose glucosyltransferase activity (obsolete GO:0102587)
OBSOLETE. Catalysis of the reaction: cyanidin 3-O-[2''-O-(2'''-O-(sinapoyl) xylosyl) 6''-O-(p-coumaroyl) glucoside] 5-O-[6''-O-(malonyl) glucoside + 1-O-sinapoyl-beta-D-glucose = cyanidin 3-O-[6-O-(4-O-beta-D-glucosyl-p-coumaroyl)-2-O-(2-O-sinapoyl-beta-D-xylosyl)-beta-D-glucosyl]-5-O-(6-O-malonyl-beta-D-glucoside) + trans-sinapate + H+.