# OC Root 2nd 3rd 4th PC Gene/Definition OC.645651 Archaea.27960 Euryarchaeota.31397 Methanoculleus.2982 mem.2223 mem:Memar_2279 phosphate uptake regulator, PhoU; K02039 phosphate transport system protein OC.645651 Archaea.27960 Euryarchaeota.31397 Methanoculleus.254 mbg.1234 mbg:BN140_1305 ptsA; phosphate transport system protein; K02039 phosphate transport system protein OC.645651 Archaea.27960 Euryarchaeota.31397 Methanoculleus.254 mema.1620 mema:MMAB1_1658 Phosphate transport system protein PhoU (fragment); K02039 phosphate transport system protein