# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.41140 Bacteria.24198 Proteobacteria.572826 Deltaproteobacteria.74024 Desulfovibrio.23768 dma.4110 dma:DMR_44910 putative ABC transporter ATP-binding protein; K02031 peptide/nickel transport system ATP-binding protein