# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.41139 Bacteria.1084736 Proteobacteria.567237 Deltaproteobacteria.65942 Desulfomicrobium.3174 dba.2801 dba:Dbac_2923 oligopeptide/dipeptide ABC transporter, ATPase subunit; K02031 peptide/nickel transport system ATP-binding protein