# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1818683 Bacteria.943055 Proteobacteria.355366 Alphaproteobacteria.93509 Azospirillum.8217 Azospirillum_brasilense.4823 abs.4798 abs:AZOBR_p170092 protein of unknown function OC.1818683 Bacteria.943055 Proteobacteria.355366 Alphaproteobacteria.93509 Azospirillum.8217 Azospirillum_brasilense.4823 abq.3028 abq:ABAZ39_16020 hypothetical protein