| WP_014451413.1 | Fervidobacterium pennivorans | [FeFe] Group C3 | Thermotogae | Thermotogales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_015919563.1 | Thermotoga neapolitana | [FeFe] Group C3 | Thermotogae | Thermotogales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_028843226.1 | Thermotoga elfii | [FeFe] Group C3 | Thermotogae | Thermotogales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_012745069.1 | Kosmotoga olearia | [NiFe] Group 4g | Thermotogae | Thermotogales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_004081666.1 | Thermotoga maritima | [FeFe] Group C3 | Thermotogae | Thermotogales | Sensory | Sensitive | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| 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_013907974.1 | Thermodesulfatator indicus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_022852507.1 | Thermodesulfatator atlanticus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_022853375.1 | Thermodesulfatator atlanticus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_022854721.1 | Thermodesulfobacterium thermophilum | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | 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 |
| WP_022854720.1 | Thermodesulfobacterium thermophilum | [FeFe] Group A3 | Thermodesulfobacteria | Thermodesulfobacteriales | Bifurcating | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADH dehydrogenase, thioredoxin |
| WP_013907653.1 | Thermodesulfatator indicus | [FeFe] Group C2 | Thermodesulfobacteria | Thermodesulfobacteriales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with methyl-accepting chemotaxis protein |
| WP_022854121.1 | Thermodesulfatator atlanticus | [NiFe] Group 1c | Thermodesulfobacteria | Thermodesulfobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_013906919.1 | Thermodesulfatator indicus | [NiFe] Group 1c | Thermodesulfobacteria | Thermodesulfobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_013909681.1 | Thermodesulfobacterium geofontis | [NiFe] Group 1c | Thermodesulfobacteria | Thermodesulfobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_028840815.1 | Thermodesulfobacterium hveragerdense | [NiFe] Group 1c | Thermodesulfobacteria | Thermodesulfobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_022853555.1 | Thermodesulfatator atlanticus | [NiFe] Group 3c | Thermodesulfobacteria | Thermodesulfobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_028840908.1 | Thermodesulfobacterium hveragerdense | [NiFe] Group 3c | Thermodesulfobacteria | Thermodesulfobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_028841464.1 | Thermodesulfobacterium hveragerdense | [NiFe] Group 4g | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_022856172.1 | Thermodesulfobacterium thermophilum | [NiFe] Group 4g | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_020864100.1 | Caldiarchaeum subterraneum | [NiFe] Group 3b | Thaumarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| 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 |
| AIO18671.1 | Mollicutes bacterium HR1 | [FeFe] Group A3 | Tenericutes | Mollicutes | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| 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_008824689.1 | Haloplasma contractile | [FeFe] Group A3 | Tenericutes | Haloplasmatales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| AIO18483.1 | Mollicutes bacterium HR1 | [FeFe] Group B | Tenericutes | Mollicutes | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| AIO18481.1 | Mollicutes bacterium HR1 | [FeFe] Group C3 | Tenericutes | Mollicutes | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_008825904.1 | Haloplasma contractile | [FeFe] Group C3 | Tenericutes | Haloplasmatales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_009165839.1 | Pyramidobacter piscolens | [FeFe] Group A2 | Synergistetes | Synergistales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_006299828.1 | Aminomonas paucivorans | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_006584326.1 | Thermanaerovibrio velox | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_008521264.1 | Jonquetella anthropi | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_008708834.1 | Synergistes sp. 3_1_syn1 | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_008711190.1 | Synergistes sp. 3_1_syn1 | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_012868906.1 | Thermanaerovibrio acidaminovorans | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_015556986.1 | Fretibacterium fastidiosum | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_026368965.1 | Aminiphilus circumscriptus | [FeFe] Group A3 | Synergistetes | Synergistales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_008713427.1 | Synergistes sp. 3_1_syn1 | [FeFe] Group B | Synergistetes | Synergistales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_014163756.1 | Thermovirga lienii | [FeFe] Group C1 | Synergistetes | Synergistales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_005659983.1 | Dethiosulfovibrio peptidovorans | [FeFe] Group C3 | Synergistetes | Synergistales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_006301959.1 | Aminomonas paucivorans | [FeFe] Group C3 | Synergistetes | Synergistales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_008709061.1 | Synergistes sp. 3_1_syn1 | [FeFe] Group C3 | Synergistetes | Synergistales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_029165455.1 | Aminiphilus circumscriptus | [NiFe] Group 3d | Synergistetes | Synergistales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013048933.1 | Aminobacterium colombiense | [NiFe] Group 3d | Synergistetes | Synergistales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |