# OC Root 2nd 3rd 4th PC Gene/Definition OC.645654 Archaea.4753 Crenarchaeota.16734 Staphylothermus.459 smr.911 smr:Smar_0927 phosphate uptake regulator, PhoU; K02039 phosphate transport system protein OC.645654 Archaea.4753 Crenarchaeota.16734 Staphylothermus.459 shc.1469 shc:Shell_1538 phosphate uptake regulator, PhoU; K02039 phosphate transport system protein OC.645655 Archaea.48252 Crenarchaeota.20696 - iag.375 iag:Igag_0356 phosphate uptake regulator, PhoU; K02039 phosphate transport system protein