label: selenophosphate + UDP-N-acetyl-alpha-D-glucosamine + H2O = N-acetyl-1-seleno-beta-D-glucosamine + UDP + phosphate + H(+)
label_lc: selenophosphate + udp-n-acetyl-alpha-d-glucosamine + h2o = n-acetyl-1-seleno-beta-d-glucosamine + udp + phosphate + h(+)