# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226712 Bacteria.346089 Firmicutes.102116 Firmicutes___Clostridia.24508 Desulfosporosinus.6622 dor.1283 dor:Desor_1313 putative heme d1 biosynthesis radical SAM protein NirJ2