steviolmonoside + UDP + H(+) => steviol + UDP-alpha-D-glucose
steviolmonoside + udp + h(+) => steviol + udp-alpha-d-glucose
steviolmonoside + UDP + H(+) => steviol + UDP-alpha-D-glucose
steviolmonoside + udp + h(+) => steviol + udp-alpha-d-glucose