# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40534 Bacteria.1121259 Proteobacteria.636805 Epsilonproteobacteria.24252 Sulfurovum.2253 sun.902 sun:SUN_0895 dipeptide ABC transporter, ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein