obsolete UDP-D-glucose:pelargonidin-3-O-beta-D-glucoside 5-O-glucosyltransferase activity (obsolete GO:0102776)
OBSOLETE. Catalysis of the reaction: pelargonidin 3-O-beta-D-glucoside + UDP-alpha-D-glucose = anthocyanidin 3,5-di-O-beta-D-glucoside + UDP + H+.