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