| WP_013781007.1 | Mahella australiensis | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with transcriptional activator |
| WP_013787821.1 | Thermoanaerobacterium xylanolyticum | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| AEM79842.1 | Thermoanaerobacter wiegelii | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_014063294.1 | Thermoanaerobacter wiegelii | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | None |
| WP_014758428.1 | Thermoanaerobacterium saccharolyticum | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_027718651.1 | Desulfovirgula thermocuniculi | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_028992244.1 | Thermoanaerobacter thermocopriae | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_015739219.1 | Ammonifex degensii | [NiFe] Group 1a | Firmicutes | Thermoanaerobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_015739752.1 | Ammonifex degensii | [NiFe] Group 1a | Firmicutes | Thermoanaerobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_028052542.1 | Carboxydothermus ferrireducens | [NiFe] Group 1a | Firmicutes | Thermoanaerobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_011344452.1 | Carboxydothermus hydrogenoformans | [NiFe] Group 1a | Firmicutes | Thermoanaerobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_015049787.1 | Thermacetogenium phaeum | [NiFe] Group 1a | Firmicutes | Thermoanaerobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_013755712.1 | Thermodesulfobium narugense | [NiFe] Group 1a | Firmicutes | Thermoanaerobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_015051716.1 | Thermacetogenium phaeum | [NiFe] Group 3b | Firmicutes | Thermoanaerobacterales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_015739967.1 | Ammonifex degensii | [NiFe] Group 3c | Firmicutes | Thermoanaerobacterales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_013756665.1 | Thermodesulfobium narugense | [NiFe] Group 3c | Firmicutes | Thermoanaerobacterales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_022587809.1 | Caldanaerobacter subterraneus | [NiFe] Group 4a | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_025773400.1 | Moorella thermoacetica | [NiFe] Group 4a | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_015051661.1 | Thermacetogenium phaeum | [NiFe] Group 4a | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_011024634.1 | Caldanaerobacter subterraneus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_026486855.1 | Caldanaerobius polysaccharolyticus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_029228227.1 | Caldicellulosiruptor acetigenus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| 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_013432390.1 | Caldicellulosiruptor kristjanssonii | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_014042067.1 | Caldicellulosiruptor lactoaceticus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013290727.1 | Caldicellulosiruptor obsidiansis | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013411862.1 | Caldicellulosiruptor owensensis | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_011917066.1 | Caldicellulosiruptor saccharolyticus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_018962513.1 | Coprothermobacter platensis | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_015051201.1 | Thermacetogenium phaeum | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_003868941.1 | Thermoanaerobacter ethanolicus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_019907186.1 | Thermoanaerobacter indiensis | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_012995592.1 | Thermoanaerobacter italicus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_006569905.1 | Thermoanaerobacter siderophilus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_029688128.1 | Thermoanaerobacter sp. A7A | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_004399987.1 | Thermoanaerobacter thermohydrosulfuricus | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_014062054.1 | Thermoanaerobacter wiegelii | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_014757614.1 | Thermoanaerobacterium saccharolyticum | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| 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_013786935.1 | Thermoanaerobacterium xylanolyticum | [NiFe] Group 4e | Firmicutes | Thermoanaerobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013412025.1 | Caldicellulosiruptor owensensis | [FeFe] Group C1 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_011344721.1 | Carboxydothermus hydrogenoformans | [NiFe] Group 4c | Firmicutes | ThermoanaerobacteralesCoo | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |
| 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_010867988.1 | Pyrococcus abyssi | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_010868072.1 | Pyrococcus abyssi | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_011012029.1 | Pyrococcus furiosus | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |