# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.339116 Bacteria.880465 Firmicutes.265235 Firmicutes___Clostridia.128998 Hungateiclostridium.5181 hsc.683 hsc:HVS_03485 pstS2; Phosphate-binding protein PstS 2 precursor; K02040 phosphate transport system substrate-binding protein