# OC Root 2nd 3rd 4th PC Gene/Definition OC.661543 Archaea.63592 Euryarchaeota.48543 Methanocaldococcus.572 mja.335 mja:MJ_0328 hypothetical protein OC.661543 Archaea.63592 Euryarchaeota.48543 Methanocaldococcus.572 mfe.1499 mfe:Mefer_1540 hypothetical protein