# OC Root 2nd 3rd 4th PC Gene/Definition OC.1323261 Bacteria.278710 Proteobacteria.259415 Gammaproteobacteria.430165 mah.3458 mah:MEALZ_3663 conserved protein of unknown function OC.1323261 Bacteria.278710 Proteobacteria.259415 Deltaproteobacteria.120434 gsb.1360 gsb:GSUB_08000 hypothetical protein