# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226771 Bacteria.402752 Firmicutes.260054 Firmicutes___Clostridia.121868 Desulfotomaculum.3893 drm.526 drm:Dred_0516 Radical SAM domain protein OC.226771 Bacteria.402752 Bacteroidetes.114465 Parabacteroides.3961 - parc.2944 parc:CI960_15695 radical SAM protein