# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.662780 Archaea.69997 Euryarchaeota.55184 Methanosarcina.6338 Methanosarcina_barkeri.3408 mba.91 mba:Mbar_A0073 MutT/nudix family protein OC.662780 Archaea.69997 Euryarchaeota.55184 Methanosarcina.6338 Methanosarcina_barkeri.3408 mbw.935 mbw:MSBRW_0923 ADP-ribose pyrophosphatase OC.662780 Archaea.89130 Euryarchaeota.75320 - - ppac.1452 ppac:PAP_07525 hypothetical protein