# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.412385 Bacteria.294078 Proteobacteria.580073 Deltaproteobacteria.84933 Pelobacter.175 pca.1434 pca:Pcar_1487 membrane protein, putative OC.412385 Bacteria.294078 Proteobacteria.580073 Deltaproteobacteria.84933 Pelobacter.175 pace.1212 pace:A6070_06390 hypothetical protein