# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40584 Bacteria.23970 Proteobacteria.425330 Alphaproteobacteria.264305 Rhodopseudomonas.11848 rpx.601 rpx:Rpdx1_0599 oligopeptide/dipeptide ABC transporter, ATPase subunit; K10823 oligopeptide transport system ATP-binding protein