# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.101 Archaea.1001 Euryarchaeota.2154 Methanosarcina.9437 Methanosarcina_thermophila.1576 mthe.2492 mthe:MSTHC_2496 cell surface protein OC.101 Archaea.1001 Euryarchaeota.2154 Methanosarcina.9437 Methanosarcina_thermophila.1576 mthr.775 mthr:MSTHT_0774 cell surface protein