| WP_009132358.1 | Bacteroides oleiciplenus | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_009132353.1 | Bacteroides oleiciplenus | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| 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_004307174.1 | Bacteroides ovatus | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| 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_007560478.1 | Bacteroides plebeius | [FeFe] Group B | 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_027326146.1 | Bacteroides pyogenes | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_021644837.1 | Bacteroides pyogenes | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| 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_005929426.1 | Bacteroides salyersiae | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| 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_016266912.1 | Bacteroides thetaiotaomicron | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| 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_005836589.1 | Bacteroides uniformis | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_011964716.1 | Bacteroides vulgatus | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_008021616.1 | Bacteroides xylanisolvens | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_008025884.1 | Bacteroides xylanisolvens | [FeFe] Group B | Bacteroidetes | Bacteroidales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_008862337.1 | Barnesiella intestinihominis | [NiFe] Group 1d | Bacteroidetes | Bacteroidales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_025279286.1 | Barnesiella viscericola | [NiFe] Group 1d | Bacteroidetes | Bacteroidales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_002683184.1 | Beggiatoa alba | [NiFe] Group 1d | Gammaproteobacteria | Thiotrichales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_002684413.1 | Beggiatoa alba | [NiFe] Group 1e | Gammaproteobacteria | Thiotrichales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_002691721.1 | Beggiatoa alba | [NiFe] Group 3b | Gammaproteobacteria | Thiotrichales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_012384150.1 | Beijerinckia indica | [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_012384146.1 | Beijerinckia indica | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_012383518.1 | Beijerinckia indica | [NiFe] Group 3b | Alphaproteobacteria | Rhizobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_009379319.1 | Bilophila sp. 4_1_30 | [FeFe] Group A1 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit |
| WP_009380765.1 | Bilophila sp. 4_1_30 | [FeFe] Group A1 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit |
| WP_009380768.1 | Bilophila sp. 4_1_30 | [FeFe] Group B | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_009380431.1 | Bilophila sp. 4_1_30 | [NiFe] Group 1a | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_009368189.1 | Bilophila sp. 4_1_30 | [NiFe] Group 1a | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_009380705.1 | Bilophila sp. 4_1_30 | [NiFe] Group 1b | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_009378513.1 | Bilophila sp. 4_1_30 | [NiFe] Group 1d | Deltaproteobacteria | Desulfovibrionales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_009368261.1 | Bilophila sp. 4_1_30 | [NiFe] Group 4c | Deltaproteobacteria | Desulfovibrionales | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |
| WP_005026529.1 | Bilophila wadsworthia | [FeFe] Group A1 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005028324.1 | Bilophila wadsworthia | [NiFe] Group 1a | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_005027974.1 | Bilophila wadsworthia | [NiFe] Group 1a | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_005027591.1 | Bilophila wadsworthia | [NiFe] Group 1b | Deltaproteobacteria | Desulfovibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_005026843.1 | Bilophila wadsworthia | [NiFe] Group 1d | Deltaproteobacteria | Desulfovibrionales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_005028008.1 | Bilophila wadsworthia | [NiFe] Group 4c | Deltaproteobacteria | Desulfovibrionales | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |
| WP_005026529.1 | Bilophila wadsworthia | [FeFe] Group A1 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_014376814.1 | Blastococcus saxobsidens | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_003020884.1 | Blautia hansenii | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_026649549.1 | Blautia wexlerae | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_026649803.1 | Blautia wexlerae | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_029356678.1 | Bosea sp. 117 | [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_029356684.1 | Bosea sp. 117 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_028330509.1 | Brachyspira alvinipulli | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028329580.1 | Brachyspira alvinipulli | [FeFe] Group B | Spirochaetes | Spirochaetales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_008728072.1 | Brachyspira hampsonii | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |