2',4,4',6'-tetrahydroxychalcone 4'-O-beta-D-glucoside + UDP + H(+) => 2',4,4',6'-tetrahydroxychalcone + UDP-alpha-D-glucose
2',4,4',6'-tetrahydroxychalcone 4'-o-beta-d-glucoside + udp + h(+) => 2',4,4',6'-tetrahydroxychalcone + udp-alpha-d-glucose
2',4,4',6'-tetrahydroxychalcone 4'-O-beta-D-glucoside + UDP + H(+) => 2',4,4',6'-tetrahydroxychalcone + UDP-alpha-D-glucose
2',4,4',6'-tetrahydroxychalcone 4'-o-beta-d-glucoside + udp + h(+) => 2',4,4',6'-tetrahydroxychalcone + udp-alpha-d-glucose