# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.573743 Bacteria.337168 Proteobacteria.158651 Alphaproteobacteria.47039 Ruegeria.4243 Ruegeria_sp_.4148 rua.3974 rua:D1823_20590 hypothetical protein OC.573744 Bacteria.337167 Proteobacteria.158650 Alphaproteobacteria.47044 - - apb.981 apb:SAR116_0972 hypothetical protein