# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_acetobutylicum.1843 cac.2688 cac:CA_C2796 MoaA/NirJ family Fe-S oxidoreductase OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_acetobutylicum.1843 cae.2797 cae:SMB_G2832 pqqE; MoaA/NirJ family Fe-S oxidoreductase OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_acetobutylicum.1843 cay.2800 cay:CEA_G2804 MoaA/NirJ family Fe-S oxidoreductase OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_beijerinckii.1098 cbe.1987 cbe:Cbei_2007 Radical SAM domain protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_beijerinckii.1098 cbz.1986 cbz:Cbs_2007 radical SAM domain-containing protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_beijerinckii.1098 cbei.2030 cbei:LF65_02176 radical SAM protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_kluyveri.2837 ckl.435 ckl:CKL_0375 Predicted Fe-S oxidoreductase OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_kluyveri.2837 ckr.341 ckr:CKR_0325 hypothetical protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 - csr.4589 csr:Cspa_c47290 radical SAM domain protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_pasteurianum.3225 cpas.630 cpas:Clopa_0538 putative heme d1 biosynthesis radical SAM protein NirJ1 OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_pasteurianum.3225 cpat.421 cpat:CLPA_c04430 pqqE; coenzyme PQQ synthesis protein E OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 Clostridium_pasteurianum.3225 cpae.421 cpae:CPAST_c04430 pqqE; coenzyme PQQ synthesis protein E OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 - csq.2649 csq:CSCA_2641 Radical SAM domain protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.24513 Clostridium.20559 - cace.3241 cace:CACET_c33640 nirJ1; putative heme d1 biosynthesis radical SAM protein NirJ1 OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 - cck.335 cck:Ccar_01380 Fe-S oxidoreductase OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 - ctyk.2361 ctyk:CTK_C24970 radical SAM domain protein OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 - ceu.1116 ceu:A7L45_05710 putative heme d1 biosynthesis radical SAM protein NirJ1 OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.24513 Clostridium.20559 - cfm.453 cfm:BJL90_02235 putative heme d1 biosynthesis radical SAM protein NirJ1 OC.226746 Bacteria.428592 Firmicutes.44749 Firmicutes___Clostridia.54064 Clostridium.1902 - cdrk.1247 cdrk:B9W14_06475 heme d1 biosynthesis radical SAM protein NirJ1