# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.41098 Bacteria.24444 Proteobacteria.367836 Alphaproteobacteria.181654 Aminobacter.6379 aak.6355 aak:AA2016_6562 Putative ABC transporter ATP-binding protein; K02031 peptide/nickel transport system ATP-binding protein