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