# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40795 Bacteria.24269 Firmicutes.38701 Firmicutes___Bacilli.175326 Paenibacillus.45756 plv.2131 plv:ERIC2_c23990 appD; oligopeptide transport ATP-binding protein AppD; K02031 peptide/nickel transport system ATP-binding protein