# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.343355 Bacteria.1013516 Proteobacteria.455355 Alphaproteobacteria.308988 - - dsh.746 dsh:Dshi_0647 hypothetical protein OC.343355 Bacteria.405316 Proteobacteria.387349 Alphaproteobacteria.210162 Erythrobacter.9668 Erythrobacter_sp_.2025 erk.1914 erk:CD351_09855 hypothetical protein