# OC Root 2nd 3rd 4th PC Gene/Definition OC.57646 Bacteria.275970 Firmicutes.14238 Firmicutes___Clostridia.20444 slp.370 slp:Slip_0371 phosphate ABC transporter, ATPase subunit; K02036 phosphate transport system ATP-binding protein [EC:7.3.2.1]