obsolete 2'4'6'34-pentahydroxychalcone 4'-O-glucosyltransferase activity (obsolete GO:0102891)
OBSOLETE. Catalysis of the reaction: UDP-alpha-D-glucose + 2',3,4,4',6'-pentahydroxychalcone = H+ + 2',3,4,4',6'-pentahydroxychalcone 4'-O-beta-D-glucoside + UDP.