# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226746 Bacteria.428592 Firmicutes.179944 Firmicutes___Bacilli.143954 Kyrpidia.1246 bts.2386 bts:Btus_2570 Radical SAM domain protein OC.226746 Bacteria.428592 Firmicutes.179944 Firmicutes___Bacilli.143954 Kyrpidia.1246 kyr.2349 kyr:CVV65_12760 heme d1 biosynthesis radical SAM protein NirJ1