delphinidin 3,5-bis-O-beta-D-glucoside + UDP-alpha-D-glucose = delphinidin 3,3',5-tri-O-beta-D-glucoside + UDP + H(+)
delphinidin 3,5-bis-o-beta-d-glucoside + udp-alpha-d-glucose = delphinidin 3,3',5-tri-o-beta-d-glucoside + udp + h(+)
"delphinidin 3,5-di-O-glucoside 3'-O-glucosyltransferase"
"delphinidin 3,5-di-o-glucoside 3'-o-glucosyltransferase"