# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1854939 Bacteria.982258 Proteobacteria.409669 Alphaproteobacteria.241662 Nitrobacter.1505 nwi.647 nwi:Nwi_0612 hypothetical protein OC.1854939 Bacteria.982258 Proteobacteria.409669 Alphaproteobacteria.241662 Nitrobacter.1505 nha.3181 nha:Nham_3431 hypothetical protein