# OC Root 2nd 3rd 4th PC Gene/Definition OC.166860 Archaea.76704 Euryarchaeota.62029 Thermococcus.8430 tko.1438 tko:TK1460 predicted endonuclease-methyltransferase fusion protein OC.166860 Archaea.76704 Euryarchaeota.62029 Thermococcus.8430 ttd.1042 ttd:A3L14_05430 hypothetical protein OC.166861 Archaea.63970 Euryarchaeota.48946 Methanocaldococcus.2866 mvu.1204 mvu:Metvu_1227 conserved hypothetical protein OC.166862 Archaea.52989 Euryarchaeota.27047 Methanobrevibacter.3403 mol.699 mol:YLM1_0704 type II restriction/modification system protein OC.166862 Archaea.52989 Euryarchaeota.27047 Methanoculleus.3922 mema.3178 mema:MMAB1_3324 protein of unknown function