# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.665703 Bacteria.174159 Proteobacteria.425723 Alphaproteobacteria.265188 Rhodospirillum.3597 Rhodospirillum_rubrum.3557 rru.816 rru:Rru_A0818 hypothetical protein OC.665703 Bacteria.174159 Proteobacteria.425723 Alphaproteobacteria.265188 Rhodospirillum.3597 Rhodospirillum_rubrum.3557 rrf.841 rrf:F11_04215 hypothetical protein