# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226727 Bacteria.397930 Proteobacteria.271948 Deltaproteobacteria.32456 Pelobacter.888 pca.3025 pca:Pcar_3149 radical SAM domain iron-sulfur cluster-binding oxidoreductase OC.226727 Bacteria.397930 Proteobacteria.271948 Deltaproteobacteria.32456 Pelobacter.888 pace.2166 pace:A6070_11730 radical SAM/SPASM domain-containing protein OC.226727 Bacteria.397930 Proteobacteria.271948 Deltaproteobacteria.32456 Pelobacter.888 pef.1338 pef:A7E78_07110 radical SAM/SPASM domain-containing protein OC.226727 Bacteria.397930 Proteobacteria.271948 Deltaproteobacteria.32456 Pelobacter.7635 ppd.2771 ppd:Ppro_2942 Radical SAM domain protein