# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.645656 Archaea.65641 Euryarchaeota.50680 Methanococcus.2054 Methanococcus_maripaludis.1818 mmx.1131 mmx:MmarC6_1155 phosphate uptake regulator, PhoU; K02039 phosphate transport system protein OC.645656 Archaea.65641 Euryarchaeota.50680 Methanococcus.2054 Methanococcus_maripaludis.1818 mmz.763 mmz:MmarC7_0763 hypothetical protein; K02039 phosphate transport system protein