a sterol + UDP-alpha-D-glucose <=> a sterol 3-beta-D-glucoside + UDP + H(+)
a sterol + udp-alpha-d-glucose <=> a sterol 3-beta-d-glucoside + udp + h(+)
a sterol + UDP-alpha-D-glucose <=> a sterol 3-beta-D-glucoside + UDP + H(+)
a sterol + udp-alpha-d-glucose <=> a sterol 3-beta-d-glucoside + udp + h(+)