# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.41133 Bacteria.24120 Proteobacteria.385956 Alphaproteobacteria.208268 Ensifer.5190 Ensifer_adhaerens.5056 ead.4953 ead:OV14_b0854 putative peptide ABC transporter ATP-binding protein y4tR; K02031 peptide/nickel transport system ATP-binding protein