# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40697 Bacteria.24031 Proteobacteria.72862 Alphaproteobacteria.119566 Rhodobacter.8123 rcp.732 rcp:RCAP_rcc00707 oppF; oligopeptide ABC transporter, ATP-binding protein OppF; K10823 oligopeptide transport system ATP-binding protein