label: 2,4-diacetamido-2,4,6-trideoxy-beta-L-altrose + UDP + H(+) => UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-altrose + H2O
label_lc: 2,4-diacetamido-2,4,6-trideoxy-beta-l-altrose + udp + h(+) => udp-2,4-diacetamido-2,4,6-trideoxy-beta-l-altrose + h2o