| WP_018247867.1 | Orenia marismortui | [FeFe] Group C1 | Firmicutes | Halanaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_018240255.1 | Ensifer sp. BR816 | [NiFe] Group 1d | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_018161883.1 | Smaragdicoccus niigatensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_018160400.1 | Smaragdicoccus niigatensis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_018154655.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_018154556.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 4h | Euryarchaeota | Methanococcales | Evolving | Sensitive | 20 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, Two polyferredoxins, eleven TM proteins, three hypotheticals |
| WP_018154262.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 3c | Euryarchaeota | Methanococcales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_018154259.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 3a | Euryarchaeota | Methanococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_018154225.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 3c | Euryarchaeota | Methanococcales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_018154032.1 | Methanothermococcus thermolithotrophicus | [NiFe] Group 4i | Euryarchaeota | Methanococcales | Evolving | Sensitive | 16 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoH, NuoL, polyferredoxin, nine TM proteins, two hypotheticals |
| WP_018153721.1 | Methanothermococcus thermolithotrophicus | [Fe] | Euryarchaeota | Methanococcales | Bidirectional | Tolerant | 1 | Fe ion | None |
| WP_018136329.1 | Campylobacter curvus | [NiFe] Group 1b | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_018133527.1 | Alicyclobacillus pohliae | [NiFe] Group 4f | Firmicutes | Bacillales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_018126002.1 | Desulfovibrio oxyclinae | [NiFe] Group 1b | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_018125731.1 | Desulfovibrio oxyclinae | [NiFe] Group 4e | Deltaproteobacteria | Desulfovibrionales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_018125512.1 | Desulfovibrio oxyclinae | [NiFe] Group 1b | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_018098934.1 | Sinorhizobium meliloti | [NiFe] Group 1d | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_018086727.1 | Desulfurispora thermophila | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_018086225.1 | Desulfurispora thermophila | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_018085930.1 | Desulfurispora thermophila | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_018085928.1 | Desulfurispora thermophila | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_018084282.1 | Desulfurispora thermophila | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_018084276.1 | Desulfurispora thermophila | [FeFe] Group C1 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_018077111.1 | Thiobacillus denitrificans | [NiFe] Group 1e | Betaproteobacteria | Hydrogenophilales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_017892850.1 | Serratia sp. S4 | [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_017890430.1 | Caldatribacterium californiense | [NiFe] Group 3b | Atribacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [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_017890116.1 | Caldatribacterium saccharofermentans | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_017873497.1 | Caldatribacterium saccharofermentans | [NiFe] Group 3b | Atribacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017873317.1 | Caldatribacterium californiense | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_017845591.1 | Pseudomonas veronii | [NiFe] Group 1d | Gammaproteobacteria | Pseudomonadales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_017845586.1 | Pseudomonas veronii | [NiFe] Group 2b | Gammaproteobacteria | Pseudomonadales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_017841795.1 | Methylomicrobium buryatense | [NiFe] Group 2c | Gammaproteobacteria | Methylococcales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_017839865.1 | Methylomicrobium buryatense | [NiFe] Group 3d | Gammaproteobacteria | Methylococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017802632.1 | Erwinia toletana | [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_017781337.1 | Aeromonas hydrophila | [NiFe] Group 4a | Gammaproteobacteria | Aeromonadales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_017778886.1 | Aeromonas hydrophila | [NiFe] Group 1c | Gammaproteobacteria | Aeromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_017774733.1 | Burkholderia kururiensis | [NiFe] Group 3b | Betaproteobacteria | Burkholderiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017753183.1 | Clostridium tyrobutyricum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_017752954.1 | Clostridium tyrobutyricum | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_017751925.1 | Clostridium tyrobutyricum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_017747426.1 | Scytonema hofmanni | [NiFe] Group 2a | Cyanobacteria | Nostocales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_017747421.1 | Scytonema hofmanni | [NiFe] Group 2a | Cyanobacteria | Nostocales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_017716714.1 | Oscillatoria sp. PCC 10802 | [NiFe] Group 2a | Cyanobacteria | Oscillatoriales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_017715405.1 | Oscillatoria sp. PCC 10802 | [NiFe] Group 3d | Cyanobacteria | Oscillatoriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017659307.1 | Geitlerinema sp. PCC 7105 | [NiFe] Group 3d | Cyanobacteria | Oscillatoriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017656008.1 | Microchaete sp. PCC 7126 | [NiFe] Group 2a | Cyanobacteria | Nostocales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_017611790.1 | Nocardiopsis salina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_017416926.1 | Clostridium tunisiense | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_017416132.1 | Clostridium tunisiense | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |