| WP_011719855.1 | Acidothermus cellulolyticus | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_026436975.1 | Acidovorax sp. JHL-9 | [NiFe] Group 1d | Betaproteobacteria | Burkholderiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_026436955.1 | Acidovorax sp. JHL-9 | [NiFe] Group 2b | Betaproteobacteria | Burkholderiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_008085116.1 | Aciduliprofundum boonei | [NiFe] Group 3b | Euryarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_008083483.1 | Aciduliprofundum boonei | [NiFe] Group 4d | Euryarchaeota | Unclassified | Evolving | Sensitive | 13 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, two [FeS] proteins, seven MRP antiporter subunits, etc. |
| WP_015283468.1 | Aciduliprofundum sp. MAR08-339 | [NiFe] Group 3b | Euryarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_015283654.1 | Aciduliprofundum sp. MAR08-339 | [NiFe] Group 4d | Euryarchaeota | Unclassified | Evolving | Sensitive | 13 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, two [FeS] proteins, seven MRP antiporter subunits, etc. |
| WP_005605173.1 | Actinobacillus pleuropneumoniae | [NiFe] Group 1c | Gammaproteobacteria | Pasteurellales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_012073017.1 | Actinobacillus succinogenes | [NiFe] Group 1c | Gammaproteobacteria | Enterobacteriales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_021597135.1 | Actinomadura madurae | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_026402909.1 | Actinomadura rifamycini | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_026405334.1 | Actinomadura rifamycini | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_018330638.1 | Actinomycetospora chiangmaiensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [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_022741745.1 | Adlercreutzia equolifaciens | [FeFe] Group A2 | Actinobacteria | Coriobacteriales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_022740096.1 | Adlercreutzia equolifaciens | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_022739737.1 | Adlercreutzia equolifaciens | [NiFe] Group 3b | Actinobacteria | Coriobacteriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_022739022.1 | Adlercreutzia equolifaciens | [NiFe] Group 4a | Actinobacteria | Coriobacterales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_022739883.1 | Adlercreutzia equolifaciens | [NiFe] Group 4e | Actinobacteria | Coriobacteriales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_010674404.1 | Aeromonas caviae | [NiFe] Group 1c | Gammaproteobacteria | Aeromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| 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_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_005315108.1 | Aeromonas salmonicida | [NiFe] Group 1c | Gammaproteobacteria | Aeromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_005315165.1 | Aeromonas salmonicida | [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_019839258.1 | Aeromonas sp. MDS8 | [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_021230237.1 | Aeromonas veronii | [NiFe] Group 1c | Gammaproteobacteria | Aeromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_005333319.1 | Aeromonas veronii | [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_026375374.1 | Aestuariibacter salexigens | [NiFe] Group 3b | Gammaproteobacteria | Alteromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_005576256.1 | Aggregatibacter actinomycetemcomitans | [NiFe] Group 1c | Gammaproteobacteria | Pasteurellales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_005542188.1 | Aggregatibacter actinomycetemcomitans | [NiFe] Group 4a | Gammaproteobacteria | Pasteurellales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_012771488.1 | Aggregatibacter aphrophilus | [NiFe] Group 1c | Gammaproteobacteria | Pasteurellales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_005703984.1 | Aggregatibacter aphrophilus | [NiFe] Group 4a | Gammaproteobacteria | Pasteurellales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_006718275.1 | Aggregatibacter segnis | [NiFe] Group 1c | Gammaproteobacteria | Pasteurellales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_012421152.1 | Akkermansia muciniphila | [NiFe] Group 1f | Verrucomicrobia | Verrucomicrobiales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_022397361.1 | Akkermansia sp. CAG:344 | [NiFe] Group 1f | Verrucomicrobia | Verrucomicrobiales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| AAB25780.1 | Alcaligenes hydrogenophilus | [NiFe] Group 1d | Betaproteobacteria | Burkholderiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| AAB49361.1 | Alcaligenes hydrogenophilus | [NiFe] Group 2b | Betaproteobacteria | Burkholderiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_029421095.1 | Alicyclobacillus macrosporangiidus | [NiFe] Group 2a | Firmicutes | Bacillales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| 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_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_004330064.1 | Alistipes putredinis | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_026475062.1 | Alkaliflexus imshenetskii | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_026475073.1 | Alkaliflexus imshenetskii | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_026475068.1 | Alkaliflexus imshenetskii | [FeFe] Group C1 | Bacteroidetes | Bacteroidales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_026475064.1 | Alkaliflexus imshenetskii | [FeFe] Group C3 | Bacteroidetes | Bacteroidales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_011629764.1 | Alkalilimnicola ehrlichii | [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_011629746.1 | Alkalilimnicola ehrlichii | [NiFe] Group 2b | Gammaproteobacteria | Chromatiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011971774.1 | Alkaliphilus metalliredigens | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_012065136.1 | Alkaliphilus metalliredigens | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_012064286.1 | Alkaliphilus metalliredigens | [FeFe] Group C1 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |