# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226734 Bacteria.529533 Proteobacteria.265160 Deltaproteobacteria.20176 Desulfomicrobium.543 dba.2297 dba:Dbac_2393 Radical SAM domain protein; K22227 heme synthase OC.226734 Bacteria.529533 Proteobacteria.265160 Deltaproteobacteria.20176 Desulfomicrobium.543 doa.865 doa:AXF15_04760 heme b synthase; K22227 heme synthase OC.226740 Bacteria.529846 Proteobacteria.266816 Deltaproteobacteria.23223 Desulfomicrobium.541 dba.2295 dba:Dbac_2391 Radical SAM domain protein; K22226 Fe-coproporphyrin III synthase OC.226740 Bacteria.529846 Proteobacteria.266816 Deltaproteobacteria.23223 Desulfomicrobium.541 doa.1124 doa:AXF15_06225 12,18-didecarboxysiroheme deacetylase; K22226 Fe-coproporphyrin III synthase