enterobactin + UDP-alpha-D-glucose = monoglucosyl-enterobactin + UDP
enterobactin + udp-alpha-d-glucose = monoglucosyl-enterobactin + udp
enterobactin + UDP-alpha-D-glucose = monoglucosyl-enterobactin + UDP
enterobactin + udp-alpha-d-glucose = monoglucosyl-enterobactin + udp