# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1854942 Bacteria.982262 Proteobacteria.409676 Alphaproteobacteria.241672 Nitrobacter.1523 nwi.773 nwi:Nwi_0757 hypothetical protein OC.1854942 Bacteria.982262 Proteobacteria.409676 Alphaproteobacteria.241672 Nitrobacter.1523 nha.3202 nha:Nham_3467 conserved hypothetical protein