# OC Root 2nd 3rd 4th PC Gene/Definition OC.109430 Archaea.22313 Euryarchaeota.23873 Haloterrigena.725 htu.4822 htu:Htur_5138 NAD-dependent epimerase/dehydratase OC.109430 Archaea.22313 Euryarchaeota.23873 Haloterrigena.725 hda.3329 hda:BB347_17230 NAD-dependent dehydratase OC.109430 Archaea.22313 Euryarchaeota.23873 - nou.3000 nou:Natoc_3188 nucleoside-diphosphate-sugar epimerase OC.109430 Archaea.86691 Euryarchaeota.72834 - mpi.1346 mpi:Mpet_1388 NAD-dependent epimerase/dehydratase