# OC Root 2nd 3rd 4th PC Gene/Definition OC.40565 Bacteria.24334 Proteobacteria.127786 Gammaproteobacteria.423792 hch.797 hch:HCH_00700 ABC-type dipeptide/oligopeptide/nickel transport system, ATPase component; K15583 oligopeptide transport system ATP-binding protein