| WP_012980540.1 | Methanocaldococcus sp. FS406-22 | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_004591340.1 | Methanocaldococcus villosus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_015733355.1 | Methanocaldococcus vulcanius | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011973755.1 | Methanococcus aeolicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011171326.1 | Methanococcus maripaludis | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011170764.1 | Methanococcus maripaludis | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011972500.1 | Methanococcus vannielii | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011971891.1 | Methanococcus vannielii | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013180376.1 | Methanococcus voltae | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013179974.1 | Methanococcus voltae | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013867054.1 | Methanothermococcus okinawensis | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013866359.1 | Methanothermococcus okinawensis | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_018154259.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_018154655.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_007043840.1 | Methanotorris formicicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_007044698.1 | Methanotorris formicicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013799337.1 | Methanotorris igneus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013799916.1 | Methanotorris igneus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011832394.1 | Methanocorpusculum labreanum | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_014867277.1 | Methanoculleus bourgensis | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011845006.1 | Methanoculleus marisnigri | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_004037261.1 | Methanofollis liminatans | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_004076756.1 | Methanoplanus limicola | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013328542.1 | Methanoplanus petrolearius | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012106016.1 | Methanoregula boonei | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012107592.1 | Methanoregula boonei | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_015286660.1 | Methanoregula formicica | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012616797.1 | Methanosphaerula palustris | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011449294.1 | Methanospirillum hungatei | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011019299.1 | Methanopyrus kandleri | [NiFe] Group 3a | Euryarchaeota | Methanopyrales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011021012.1 | Methanosarcina acetivorans | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011307257.1 | Methanosarcina barkeri | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011305486.1 | Methanosarcina barkeri | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011034943.1 | Methanosarcina mazei | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013905833.1 | Pyrococcus yayanosii | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_015857693.1 | Thermococcus gammatolerans | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012572521.1 | Thermococcus onnurineus | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_014012057.1 | Thermococcus sp. 4557 | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_014788989.1 | Thermococcus sp. CL1 | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_007285433.1 | Intestinibacter bartlettii | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_007960496.1 | Pelosinus fermentans | [FeFe] Group A4 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_010295100.1 | Clostridium senegalense | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_010345843.1 | Paenibacillus peoriae | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011187724.1 | Desulfotalea psychrophila | [FeFe] Group A4 | Deltaproteobacteria | Desulfobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011366599.1 | Desulfovibrio alaskensis | [FeFe] Group A4 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011388063.1 | Rhodospirillum rubrum | [FeFe] Group A4 | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_012031839.1 | Pelotomaculum thermopropionicum | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_012662530.1 | Desulfobacterium autotrophicum | [FeFe] Group A4 | Deltaproteobacteria | Desulfobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_012765956.1 | Desulfovibrio salexigens | [FeFe] Group A4 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_013238388.1 | Clostridium ljungdahlii | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |