# OC Root 2nd 3rd 4th PC Gene/Definition OC.34163 Archaea.22057 Euryarchaeota.23490 Haloterrigena.7524 htu.4851 htu:Htur_5168 dihydroorotase, multifunctional complex type; K01465 dihydroorotase [EC:3.5.2.3] OC.34163 Archaea.22057 Euryarchaeota.23490 Haloterrigena.3366 hda.3180 hda:BB347_16470 allantoinase