# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.661233 Bacteria.350286 Proteobacteria.219907 Betaproteobacteria.125321 Thauera.3966 thu.23 thu:AC731_005355 hypothetical protein OC.661233 Bacteria.350286 Proteobacteria.219907 Betaproteobacteria.125321 Thauera.3966 thu.23 thu:AC731_006470 hypothetical protein