# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40733 Bacteria.1057517 Proteobacteria.519162 Betaproteobacteria.200760 Ottowia.5029 oto.2040 oto:ADJ79_11660 hypothetical protein; K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein