# OC Root 2nd 3rd 4th PC Gene/Definition OC.645648 Archaea.26274 Euryarchaeota.29230 Methanocella.858 mpd.1830 mpd:MCP_1879 phoU-2; phosphate transport system protein PhoU; K02039 phosphate transport system protein OC.645648 Archaea.26274 Euryarchaeota.29230 Methanocella.858 mez.1874 mez:Mtc_1970 phoU-2; phosphate uptake regulator, PhoU; K02039 phosphate transport system protein OC.645648 Archaea.26274 Euryarchaeota.29230 Methanocella.858 rci.2007 rci:RCIX2755 phoU; phosphate uptake regulator; K02039 phosphate transport system protein