# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.339095 Bacteria.871294 Firmicutes.250079 Firmicutes___Clostridia.106734 Clostridium.37986 cace.1222 cace:CACET_c12690 pstS1; phosphate ABC transport system substrate-binding protein PstS; K02040 phosphate transport system substrate-binding protein