# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226768 Bacteria.300303 Actinobacteria.143737 - - xce.3029 xce:Xcel_3125 Radical SAM domain protein OC.226768 Bacteria.300303 Actinobacteria.143737 Propionibacterium.845 Propionibacterium_freudenreichii.797 pfr.1793 pfr:PFREUD_18940 Fe-S oxidoreductase OC.226768 Bacteria.300303 Actinobacteria.143737 Propionibacterium.845 Propionibacterium_freudenreichii.797 pfre.1739 pfre:RM25_1802 Coenzyme PQQ synthesis protein OC.226768 Bacteria.300303 Actinobacteria.143737 - - mgg.3713 mgg:MPLG2_3849 Radical SAM/SPASM domain-containing protein