label: an N-acylsphing-4-enine + UDP-alpha-D-glucose <=> a beta-D-glucosyl-(1<->1')-N-acylsphing-4-enine + UDP + H(+)
label_lc: an n-acylsphing-4-enine + udp-alpha-d-glucose <=> a beta-d-glucosyl-(1<->1')-n-acylsphing-4-enine + udp + h(+)