# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.40731 Bacteria.23912 Proteobacteria.81523 Gammaproteobacteria.298308 Halomonas.7964 Halomonas_sp_.4355 haf.822 haf:C8233_04205 ABC transporter ATP-binding protein; K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein