| WP_014807277.1 | Anaerobaculum mobile | [NiFe] Group 4d | Synergistetes | Synergistales | Evolving | Sensitive | 13 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, two [FeS] proteins, seven MRP antiporter subunits, etc. |
| WP_004816070.1 | Anaerococcus hydrogenalis | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_004817153.1 | Anaerococcus hydrogenalis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_015778015.1 | Anaerococcus prevotii | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_015778292.1 | Anaerococcus prevotii | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_004835820.1 | Anaerococcus tetradius | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_004836902.1 | Anaerococcus tetradius | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_007049858.1 | Anaerofustis stercorihominis | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_007050317.1 | Anaerofustis stercorihominis | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_007049654.1 | Anaerofustis stercorihominis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_006789933.1 | Anaeroglobus geminatus | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_006789546.1 | Anaeroglobus geminatus | [FeFe] Group B | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_013559391.1 | Anaerolinea thermophila | [NiFe] Group 3d | Chloroflexi | Anaerolineales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013559677.1 | Anaerolinea thermophila | [NiFe] Group 3d | Chloroflexi | Anaerolineales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_013560598.1 | Anaerolinea thermophila | [NiFe] Group 4g | Chloroflexi | Anaerolineales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_018703705.1 | Anaeromusa acidaminophila | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_018703126.1 | Anaeromusa acidaminophila | [FeFe] Group B | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_018703124.1 | Anaeromusa acidaminophila | [FeFe] Group C3 | Firmicutes | Selenomonadales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_018702099.1 | Anaeromusa acidaminophila | [NiFe] Group 1d | Firmicutes | Selenomonadales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_018702624.1 | Anaeromusa acidaminophila | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_011419537.1 | Anaeromyxobacter dehalogenans | [NiFe] Group 1c | Deltaproteobacteria | Myxococcales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_015935331.1 | Anaeromyxobacter dehalogenans | [NiFe] Group 3c | Deltaproteobacteria | Myxococcales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_012098324.1 | Anaeromyxobacter sp. Fw109-5 | [NiFe] Group 1c | Deltaproteobacteria | Myxococcales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_012099129.1 | Anaeromyxobacter sp. Fw109-5 | [NiFe] Group 3c | Deltaproteobacteria | Myxococcales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_012524582.1 | Anaeromyxobacter sp. K | [NiFe] Group 1c | Deltaproteobacteria | Myxococcales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_012528247.1 | Anaeromyxobacter sp. K | [NiFe] Group 3c | Deltaproteobacteria | Myxococcales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_016777708.1 | Anaerophaga thermohalophila | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_016777702.1 | Anaerophaga thermohalophila | [FeFe] Group C1 | Bacteroidetes | Bacteroidales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Histidine kinase |
| WP_016777698.1 | Anaerophaga thermohalophila | [FeFe] Group C3 | Bacteroidetes | Bacteroidales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_006566021.1 | Anaerostipes caccae | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_006565663.1 | Anaerostipes caccae | [FeFe] Group A2 | Firmicutes | Clostridiales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_006567084.1 | Anaerostipes caccae | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_006568603.1 | Anaerostipes caccae | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_009203940.1 | Anaerostipes hadrus | [FeFe] Group A2 | Firmicutes | Clostridiales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_009202817.1 | Anaerostipes hadrus | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_006876820.1 | Anaerotruncus colihominis | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_006874781.1 | Anaerotruncus colihominis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_006874974.1 | Anaerotruncus colihominis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_006874783.1 | Anaerotruncus colihominis | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_027396346.1 | Anaerovibrio lipolyticus | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_027397032.1 | Anaerovibrio lipolyticus | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_027406274.1 | Anaerovibrio sp. RM50 | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_027398114.1 | Anaerovorax odorimutans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_027399804.1 | Anaerovorax odorimutans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_027400569.1 | Anaerovorax odorimutans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_027398671.1 | Anaerovorax odorimutans | [FeFe] Group C2 | Firmicutes | Clostridiales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with methyl-accepting chemotaxis protein |
| WP_027398115.1 | Anaerovorax odorimutans | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_027399701.1 | Anaerovorax odorimutans | [NiFe] Group 4e | Firmicutes | Clostridiales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_018391449.1 | Ancylobacter sp. FA202 | [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_018391446.1 | Ancylobacter sp. FA202 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |