trans-zeatin + UDP-alpha-D-glucose => O-beta-D-glucosyl-trans-zeatin + UDP + H(+)
trans-zeatin + udp-alpha-d-glucose => o-beta-d-glucosyl-trans-zeatin + udp + h(+)
trans-zeatin + UDP-alpha-D-glucose => O-beta-D-glucosyl-trans-zeatin + UDP + H(+)
trans-zeatin + udp-alpha-d-glucose => o-beta-d-glucosyl-trans-zeatin + udp + h(+)