# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.340056 Bacteria.529780 Proteobacteria.266465 Deltaproteobacteria.22580 Desulfococcus.5385 dol.1996 dol:Dole_2054 protein of unknown function DUF21 OC.340056 Bacteria.529780 Proteobacteria.266465 Deltaproteobacteria.22580 - dat.2189 dat:HRM2_22470 conserved hypothetical protein OC.340056 Bacteria.529780 Proteobacteria.266465 Deltaproteobacteria.22580 - dto.1950 dto:TOL2_C19960 conserved uncharacterized protein, DUF21