# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.226764 Bacteria.577522 Proteobacteria.95742 Alphaproteobacteria.134308 Paracoccus.3430 Paracoccus_sp_.5034 paru.1475 paru:CYR75_07940 nirJ; heme d1 biosynthesis radical SAM protein NirJ OC.226764 Bacteria.577522 Proteobacteria.95742 Alphaproteobacteria.134308 Paracoccus.3430 - pde.2427 pde:Pden_2494 Radical SAM domain protein OC.226764 Bacteria.577522 Proteobacteria.95742 Alphaproteobacteria.134308 Paracoccus.3430 - pamn.3280 pamn:pAMV3p0216 nirJ; nitrite reductase heme biosynthesis J protein