| WP_020482704.1 | Methylomonas sp. MK1 | [NiFe] Group 3d | Gammaproteobacteria | Methylococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020483431.1 | Methylomonas sp. MK1 | [NiFe] Group 1d | Gammaproteobacteria | Methylococcales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_020488527.1 | Dehalobacter sp. FTH1 | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_020489980.1 | Dehalobacter sp. FTH1 | [NiFe] Group 1f | Firmicutes | Clostridiales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_020490799.1 | Dehalobacter sp. FTH1 | [NiFe] Group 4e | Firmicutes | Clostridiales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_020490880.1 | Dehalobacter sp. FTH1 | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_020491267.1 | Dehalobacter sp. FTH1 | [NiFe] Group 1a | Firmicutes | Clostridiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_020491838.1 | Dehalobacter sp. FTH1 | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_020500148.1 | Sciscionella marina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020502968.1 | Lamprocystis purpurea | [NiFe] Group 1d | Gammaproteobacteria | Chromatiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_020503142.1 | Lamprocystis purpurea | [NiFe] Group 2b | Gammaproteobacteria | Chromatiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_020503980.1 | Lamprocystis purpurea | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_020504162.1 | Lamprocystis purpurea | [NiFe] Group 3d | Gammaproteobacteria | Chromatiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020504783.1 | Lamprocystis purpurea | [NiFe] Group 3d | Gammaproteobacteria | Chromatiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020505780.1 | Lamprocystis purpurea | [NiFe] Group 4b | Gammaproteobacteria | Chromatiales | Evolving | Sensitive | 13 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, two [FeS] proteins, seven MRP antiporter subunits, etc. |
| WP_020508075.1 | Lamprocystis purpurea | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_020516695.1 | Actinoplanes globisporus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020524726.1 | Catelliglobosispora koreensis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020540932.1 | Nonomuraea coxensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020565381.1 | Methylosarcina fibrata | [NiFe] Group 3d | Gammaproteobacteria | Methylococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020585229.1 | Desulfobacter curvatus | [NiFe] Group 4e | Deltaproteobacteria | Desulfobacterales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_020585310.1 | Desulfobacter curvatus | [NiFe] Group 1b | Deltaproteobacteria | Desulfobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_020589054.1 | Desulfobacter curvatus | [NiFe] Group 1a | Deltaproteobacteria | Desulfobacterales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_020611046.1 | Spirochaeta bajacaliforniensis | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_020611343.1 | Spirochaeta bajacaliforniensis | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_020613089.1 | Spirochaeta bajacaliforniensis | [FeFe] Group C3 | Spirochaetes | Spirochaetales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_020614051.1 | Spirochaeta bajacaliforniensis | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_020647929.1 | Solimonas variicoloris | [NiFe] Group 1d | Gammaproteobacteria | Xanthomonadales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_020653150.1 | Massilia niastensis | [NiFe] Group 3b | Betaproteobacteria | Burkholderiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020675965.1 | Geopsychrobacter electrodiphilus | [FeFe] Group C3 | Deltaproteobacteria | Desulfuromonadales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with transcriptional activator |
| WP_020678214.1 | Geopsychrobacter electrodiphilus | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_020680743.1 | Marinobacterium rhizophilum | [NiFe] Group 3b | Gammaproteobacteria | Alteromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020728307.1 | Mycobacterium marinum | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020730473.1 | Mycobacterium marinum | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020745474.1 | Alteromonas macleodii | [NiFe] Group 2b | Gammaproteobacteria | Alteromonadales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_020745479.1 | Alteromonas macleodii | [NiFe] Group 1d | Gammaproteobacteria | Alteromonadales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_020814845.1 | Ruminiclostridium papyrosolvens | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_020814848.1 | Ruminiclostridium papyrosolvens | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_020815562.1 | Ruminiclostridium papyrosolvens | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_020815721.1 | Ruminiclostridium papyrosolvens | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_020823195.1 | Mycobacterium yongonense | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020826906.1 | Serratia liquefaciens | [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_020845056.1 | Salmonella bongori | [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_020848144.1 | Arcobacter butzleri | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_020864100.1 | Caldiarchaeum subterraneum | [NiFe] Group 3b | Thaumarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020874487.1 | Streptomyces rapamycinicus | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020876264.1 | Desulfococcus multivorans | [NiFe] Group 3d | Deltaproteobacteria | Desulfobacterales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020879492.1 | Desulfovibrio sp. X2 | [NiFe] Group 4e | Deltaproteobacteria | Desulfovibrionales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_020879797.1 | Desulfovibrio sp. X2 | [NiFe] Group 1b | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_020881764.1 | Desulfovibrio sp. X2 | [NiFe] Group 4c | Deltaproteobacteria | Desulfovibrionales | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |