# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.460425 Bacteria.134936 Proteobacteria.179018 Deltaproteobacteria.24079 Pelobacter.2152 pca.2009 pca:Pcar_2090 membrane protein, putative OC.460425 Bacteria.134936 Proteobacteria.179018 Deltaproteobacteria.24079 Pelobacter.2152 pef.67 pef:A7E78_00180 hypothetical protein