# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226760 Bacteria.386154 Firmicutes.241477 Firmicutes___Clostridia.94361 Butyrivibrio.1780 bpb.3522 bpb:bpr_III229 radical SAM domain-containing protein OC.226760 Bacteria.386154 Firmicutes.241477 Firmicutes___Clostridia.94361 Butyrivibrio.1780 bhu.347 bhu:bhn_I0331 radical SAM/SPASM domain-containing protein