| WP_013296307.1 | Methanothermobacter marburgensis | [NiFe] Group 3c | Euryarchaeota | Methanobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_013296316.1 | Methanothermobacter marburgensis | [Fe] | Euryarchaeota | Methanobacteriales | Bidirectional | Tolerant | 1 | Fe ion | None |
| WP_013296415.1 | Methanothermobacter marburgensis | [NiFe] Group 4i | Euryarchaeota | Methanobacteriales | Evolving | Sensitive | 16 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, polyferredoxin, nine TM proteins, two hypotheticals |
| WP_013296467.1 | Methanothermobacter marburgensis | [NiFe] Group 3a | Euryarchaeota | Methanobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013296689.1 | Thermoanaerobacterium thermosaccharolyticum | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013297601.1 | Thermoanaerobacterium thermosaccharolyticum | [FeFe] Group C1 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_013297608.1 | Thermoanaerobacterium thermosaccharolyticum | [FeFe] Group A3 | Firmicutes | Thermoanaerobacterales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_013298245.1 | Thermoanaerobacterium thermosaccharolyticum | [FeFe] Group B | Firmicutes | Thermoanaerobacterales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_013298247.1 | Thermoanaerobacterium thermosaccharolyticum | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_013313426.1 | Spirochaeta thermophila | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_013314018.1 | Spirochaeta thermophila | [FeFe] Group C3 | Spirochaetes | Spirochaetales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_013314154.1 | Spirochaeta thermophila | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_013314414.1 | Spirochaeta thermophila | [FeFe] Group C2 | Spirochaetes | Spirochaetales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with methyl-accepting chemotaxis protein |
| WP_013317233.1 | Dickeya dadantii | [NiFe] Group 4a | Gammaproteobacteria | Enterobacteriales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_013318689.1 | Dickeya dadantii | [NiFe] Group 1c | Gammaproteobacteria | Enterobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_013321766.1 | Cyanothece sp. PCC 7822 | [NiFe] Group 2a | Cyanobacteria | Chroococcales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_013323481.1 | Cyanothece sp. PCC 7822 | [NiFe] Group 3d | Cyanobacteria | Oscillatoriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013327110.1 | Sulfurimonas autotrophica | [NiFe] Group 1b | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_013328417.1 | Methanoplanus petrolearius | [NiFe] Group 4e | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013328542.1 | Methanoplanus petrolearius | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| 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_013329507.1 | Methanoplanus petrolearius | [NiFe] Group 4d | Euryarchaeota | Methanomicrobiales | Evolving | Sensitive | 13 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, two [FeS] proteins, seven MRP antiporter subunits, etc. |
| WP_013329929.1 | Methanoplanus petrolearius | [Fe] | Euryarchaeota | Methanomicrobiales | Bidirectional | Tolerant | 1 | Fe ion | None |
| WP_013330634.1 | Methanoplanus petrolearius | [NiFe] Group 3c | Euryarchaeota | Methanomicrobiales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_013337401.1 | Vulcanisaeta distributa | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_013344606.1 | Ferrimonas balearica | [NiFe] Group 1b | Gammaproteobacteria | Alteromonadales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_013345564.1 | Ferrimonas balearica | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013365010.1 | Enterobacter lignolyticus | [NiFe] Group 4a | Gammaproteobacteria | Enterobacteriales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_013366452.1 | Enterobacter lignolyticus | [NiFe] Group 1c | Gammaproteobacteria | Enterobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_013379176.1 | Eubacterium limosum | [FeFe] Group C1 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_013379183.1 | Eubacterium limosum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_013379523.1 | Eubacterium limosum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_013380841.1 | Eubacterium limosum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_013387085.1 | Ilyobacter polytrophus | [FeFe] Group A3 | Fusobacteria | Fusobacteriales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_013387092.1 | Ilyobacter polytrophus | [FeFe] Group A1 | Fusobacteria | Fusobacteriales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_013387146.1 | Ilyobacter polytrophus | [FeFe] Group A3 | Fusobacteria | Fusobacteriales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_013387666.1 | Ilyobacter polytropus | [FeFe] Group C3 | Fusobacteria | Fusobacteriales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_013387669.1 | Ilyobacter polytrophus | [FeFe] Group A3 | Fusobacteria | Fusobacteriales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_013387868.1 | Ilyobacter polytrophus | [FeFe] Group B | Fusobacteria | Fusobacteriales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_013388849.1 | Ilyobacter polytrophus | [FeFe] Group A1 | Fusobacteria | Fusobacteriales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_013400781.1 | Geobacillus sp. Y4.1MC1 | [NiFe] Group 4a | Firmicutes | Bacillales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_013400922.1 | Geobacillus sp. Y4.1MC1 | [NiFe] Group 1d | Firmicutes | Bacillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_013403316.1 | Caldicellulosiruptor hydrothermalis | [FeFe] Group A3 | Firmicutes | Thermoanaerobacterales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_013403323.1 | Caldicellulosiruptor hydrothermalis | [FeFe] Group C1 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_013403527.1 | Caldicellulosiruptor hydrothermalis | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013406264.1 | Halanaerobium hydrogeniformans | [FeFe] Group A3 | Firmicutes | Halanaerobiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_013406267.1 | Halanaerobium hydrogeniformans | [FeFe] Group C3 | Firmicutes | Halanaerobiales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with transcriptional activator |
| WP_013406351.1 | Halanaerobium hydrogeniformans | [FeFe] Group A3 | Firmicutes | Halanaerobiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_013406358.1 | Halanaerobium hydrogeniformans | [FeFe] Group C1 | Firmicutes | Halanaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_013411862.1 | Caldicellulosiruptor owensensis | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |