| WP_014867151.1 | Methanoculleus bourgensis | [NiFe] Group 4h | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_011844026.1 | Methanoculleus marisnigri | [NiFe] Group 4h | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_004038499.1 | Methanofollis liminatans | [NiFe] Group 4h | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_004076146.1 | Methanoplanus limicola | [NiFe] Group 4h | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_013329140.1 | Methanoplanus petrolearius | [NiFe] Group 4h | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_011449071.1 | Methanospirillum hungatei | [NiFe] Group 4h | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_011073665.1 | Shewanella oneidensis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_011623989.1 | Shewanella sp. MR-4 | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_011641315.1 | Syntrophomonas wolfei | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_011715875.1 | Shewanella sp. ANA-3 | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_012276514.1 | Shewanella halifaxensis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013175699.1 | Syntrophothermus lipocalidus | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013345564.1 | Ferrimonas balearica | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013756852.1 | Thermodesulfobium narugense | [FeFe] Group A1 | Firmicutes | Thermoanaerobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013907122.1 | Thermodesulfatator indicus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013907125.1 | Thermodesulfatator indicus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_014423937.1 | Selenomonas ruminantium | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_018703705.1 | Anaeromusa acidaminophila | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_022852507.1 | Thermodesulfatator atlanticus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_022854721.1 | Thermodesulfobacterium thermophilum | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_023268563.1 | Shewanella decolorationis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_024788990.1 | Lebetimonas sp. JH292 | [FeFe] Group A1 | Epsilonproteobacteria | Nautiliales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_025823167.1 | Shewanella marina | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_025888294.1 | Shewanella haliotis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_026329186.1 | Zymophilus raffinosivorans | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_027938424.1 | Anaeroarcus burkinensis | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028109440.1 | Ferrimonas futtsuensis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028116362.1 | Ferrimonas senticii | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028768142.1 | Shewanella fidelis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028781324.1 | Shewanella sp. 38A_GOM-205m | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028841196.1 | Thermodesulfobacterium hveragerdense | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| AIO18212.1 | Mollicutes bacterium HR1 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| AIO19694.1 | Mollicutes bacterium HR1 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| AIO19709.1 | Mollicutes bacterium HR1 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| KFZ25760.1 | Mollicutes bacterium HR2 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| KFZ26040.1 | Mollicutes bacterium HR2 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| KFZ27631.1 | Mollicutes bacterium HR2 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_002568591.1 | Lachnoclostridium bolteae | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_002570913.1 | Lachnoclostridium bolteae | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_002580338.1 | Clostridium butyricum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_002730048.1 | Phaeospirillum molischianum | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_002853139.1 | Ruminococcus albus | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_003020884.1 | Blautia hansenii | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_003138680.1 | Lactococcus raffinolactis | [FeFe] Group A3 | Firmicutes | Lactobacillales | Bifurcating | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADH dehydrogenase, thioredoxin |
| WP_003519061.1 | Ruminiclostridium thermocellum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_003540305.1 | Desulfotomaculum nigrificans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADH dehydrogenase, thioredoxin |
| WP_003541670.1 | Desulfotomaculum nigrificans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_003543871.1 | Desulfotomaculum nigrificans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_004081677.1 | Thermotoga maritima | [FeFe] Group A3 | Thermotogae | Thermotogales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_004329321.1 | Alistipes putredinis | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |