# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40727 Bacteria.343190 Proteobacteria.358623 Alphaproteobacteria.138451 Mesorhizobium.16246 mlo.3606 mlo:mlr0986 probable ABC-type peptide transport protein; K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein