| WP_012992146.1 | Thermocrinis albus | [NiFe] Group 1d | Aquificae | Aquificales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_025306136.1 | Thermocrinis ruber | [NiFe] Group 1d | Aquificae | Aquificales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_010880593.1 | Aquifex aeolicus | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_008287448.1 | Hydrogenivirga sp. 128-5-R1-1 | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012962745.1 | Hydrogenobacter thermophilus | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012992451.1 | Thermocrinis albus | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012963102.1 | Hydrogenobacter thermophilus | [NiFe] Group 2a | Aquificae | Aquificales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_012992443.1 | Thermocrinis albus | [NiFe] Group 2a | Aquificae | Aquificales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_010880487.1 | Aquifex aeolicus | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_008286852.1 | Hydrogenivirga sp. 128-5-R1-1 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012963643.1 | Hydrogenobacter thermophilus | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012514441.1 | Hydrogenobaculum sp. Y04AAS1 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012676217.1 | Persephonella marina | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_029520218.1 | Persephonella sp. IF05-L8 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_029523037.1 | Persephonella sp. KM09-Lau-8 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012673603.1 | Sulfurihydrogenibium azorense | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_028949944.1 | Sulfurihydrogenibium subterraneum | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012992449.1 | Thermocrinis albus | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_025306143.1 | Thermocrinis ruber | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_022846160.1 | Desulfurobacterium sp. TC5-1 | [NiFe] Group 3a | Aquificae | Desulfurobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013638061.1 | Desulfurobacterium thermolithotrophum | [NiFe] Group 3a | Aquificae | Desulfurobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013537869.1 | Thermovibrio ammonificans | [NiFe] Group 3a | Aquificae | Desulfurobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_008286766.1 | Hydrogenivirga sp. 128-5-R1-1 | [NiFe] Group 3b | Aquificae | Aquificales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_012963143.1 | Hydrogenobacter thermophilus | [NiFe] Group 3b | Aquificae | Aquificales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_012676609.1 | Persephonella marina | [NiFe] Group 3b | Aquificae | Aquificales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_012674555.1 | Sulfurihydrogenibium azorense | [NiFe] Group 3b | Aquificae | Aquificales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_028949840.1 | Sulfurihydrogenibium subterraneum | [NiFe] Group 3b | Aquificae | Aquificales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013638346.1 | Desulfurobacterium thermolithotrophum | [NiFe] Group 3b | Aquificae | Desulfurobacteriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013537242.1 | Thermovibrio ammonificans | [NiFe] Group 3b | Aquificae | Desulfurobacteriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013637988.1 | Desulfurobacterium thermolithotrophum | [NiFe] Group 3c | Aquificae | Desulfurobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_013537236.1 | Thermovibrio ammonificans | [NiFe] Group 4e | Aquificae | Desulfobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_013638341.1 | Desulfurobacterium thermolithotrophum | [NiFe] Group 4e | Aquificae | Desulfurobacteriales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_017890120.1 | Caldatribacterium californiense | [FeFe] Group A1 | Atribacteria | Unclassified | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | None |
| WP_026137213.1 | Caldatribacterium saccharofermentans | [FeFe] Group A1 | Atribacteria | Unclassified | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | None |
| WP_017873317.1 | Caldatribacterium californiense | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_017890116.1 | Caldatribacterium saccharofermentans | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_017890430.1 | Caldatribacterium californiense | [NiFe] Group 3b | Atribacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017873497.1 | Caldatribacterium saccharofermentans | [NiFe] Group 3b | Atribacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_016268012.1 | Bacteroides thetaiotaomicron | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_021646890.1 | Bacteroides pyogenes | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Evolving | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit |
| WP_022362192.1 | Bacteroides pectinophilus | [FeFe] Group A2 | Bacteroidetes | Bacteroidales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_004319661.1 | Bacteroides ovatus | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| 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 |
| WP_005643305.1 | Parabacteroides merdae | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_005680505.1 | Bacteroides caccae | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_005836595.1 | Bacteroides uniformis | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_005931733.1 | Bacteroides salyersiae | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_005941255.1 | Bacteroides massiliensis | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_007216264.1 | Bacteroides cellulosilyticus | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_007656765.1 | Parabacteroides goldsteinii | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |