# OC Root 2nd 3rd 4th PC Gene/Definition OC.647045 Archaea.19029 Euryarchaeota.19315 Halorhabdus.1978 hut.110 hut:Huta_0082 NUDIX hydrolase OC.647045 Archaea.19029 Euryarchaeota.19315 Halorhabdus.1978 hti.84 hti:HTIA_0040 MutT/NUDIX family protein