# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.375280 Bacteria.319909 Proteobacteria.245918 Betaproteobacteria.59789 Azoarcus.10919 Azoarcus_sp_.7712 aza.4856 aza:AZKH_p0385 flavin reductase domain protein FMN-binding protein