# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.40383 Bacteria.23915 Proteobacteria.9652 Betaproteobacteria.227889 Variovorax.11934 Variovorax_sp_.9728 vam.6192 vam:C4F17_31865 glutathione ABC transporter ATP-binding protein; K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein