# OC Root 2nd 3rd 4th PC Gene/Definition OC.226734 Bacteria.529533 Thermodesulfobacteria.271 - tid.748 tid:Thein_0772 Radical SAM domain protein; K22227 heme synthase OC.226734 Bacteria.529533 Thermodesulfobacteria.271 Thermodesulfobacterium.1574 top.417 top:TOPB45_0421 Radical SAM domain protein; K22227 heme synthase OC.226734 Bacteria.529533 Thermodesulfobacteria.271 - cthi.1173 cthi:THC_1234 radical SAM protein; K22227 heme synthase OC.226743 Bacteria.571870 Thermodesulfobacteria.81 - tid.356 tid:Thein_0362 Radical SAM domain protein; K22226 Fe-coproporphyrin III synthase OC.226743 Bacteria.571870 Thermodesulfobacteria.81 Thermodesulfobacterium.1091 tcm.334 tcm:HL41_01935 Fe-S oxidoreductase; K22226 Fe-coproporphyrin III synthase OC.226743 Bacteria.571870 Thermodesulfobacteria.81 Thermodesulfobacterium.1934 top.1448 top:TOPB45_1506 Radical SAM domain protein; K22226 Fe-coproporphyrin III synthase OC.226743 Bacteria.571870 Thermodesulfobacteria.81 - cthi.1521 cthi:THC_1616 Fe-S oxidoreductase; K22226 Fe-coproporphyrin III synthase