# OC Root 2nd 3rd 4th PC Gene/Definition OC.645716 Bacteria.459939 Firmicutes.14189 Megasphaera.280 med.133 med:MELS_0107 phosphate uptake regulator; K02039 phosphate transport system protein OC.645716 Bacteria.459939 Firmicutes.14189 Megasphaera.280 mhw.915 mhw:ACT01_04745 phosphate transport system regulatory protein PhoU; K02039 phosphate transport system protein OC.645716 Bacteria.459939 Firmicutes.14189 Megasphaera.280 meg.1779 meg:DKB62_09665 phoU; phosphate transport system regulatory protein PhoU; K02039 phosphate transport system protein