# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.226764 Bacteria.577522 Proteobacteria.95742 Betaproteobacteria.48284 Cupriavidus.6975 - reu.4971 reu:Reut_B5017 Radical SAM OC.226764 Bacteria.577522 Proteobacteria.95742 Betaproteobacteria.48284 Cupriavidus.6975 Cupriavidus_necator.4370 reh.5882 reh:H16_B2283 nirJ; heme d1 biosynthesis protein (NirJ) OC.226764 Bacteria.577522 Proteobacteria.95742 Betaproteobacteria.48284 Cupriavidus.6975 Cupriavidus_necator.4370 cnc.5858 cnc:CNE_2c22510 nirJ; heme d1 biosynthesis protein NirJ OC.226764 Bacteria.577522 Proteobacteria.95742 Betaproteobacteria.48284 Cupriavidus.27943 - rme.3100 rme:Rmet_3170 nirJ; Heme d1 biosynthesis protein NirJ OC.226764 Bacteria.577522 Proteobacteria.95742 Betaproteobacteria.48284 Cupriavidus.6975 - cti.5137 cti:RALTA_B2055 nirJ; nitrite reductase heme d1 biosynthesis protein