# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40654 Bacteria.24388 Proteobacteria.92295 Alphaproteobacteria.131832 Ketogulonicigenium.3372 kro.45 kro:BVG79_00043 dppF; dipeptide transport system ATP-binding protein; K10823 oligopeptide transport system ATP-binding protein