label: L-asparaginyl-[protein] + UDP-alpha-D-glucose <=> N(4)-(beta-D-glucosyl)-L-asparaginyl-[protein] + UDP + H(+)
label_lc: l-asparaginyl-[protein] + udp-alpha-d-glucose <=> n(4)-(beta-d-glucosyl)-l-asparaginyl-[protein] + udp + h(+)