# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.677912 Bacteria.292976 Proteobacteria.139054 Gammaproteobacteria.276649 Gammaproteobacteria___Enterobacteria.90477 Riesia.249 rig.220 rig:AOQ88_00960 hypothetical protein; K02888 large subunit ribosomal protein L21