# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40655 Bacteria.23957 Proteobacteria.197423 Alphaproteobacteria.80846 Aminobacter.3994 aak.460 aak:AA2016_0344 peptide ABC transporter ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein