| WP_006555093.1 | Veillonella ratti | [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_004697562.1 | Veillonella parvula | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_004696380.1 | Veillonella parvula | [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_028256896.1 | Veillonella montpellierensis | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_028257253.1 | Veillonella montpellierensis | [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_028255372.1 | Veillonella magna | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_028254735.1 | Veillonella magna | [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_005384882.1 | Veillonella dispar | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005385706.1 | Veillonella dispar | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005386103.1 | Veillonella dispar | [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_005375825.1 | Veillonella atypica | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005378576.1 | Veillonella atypica | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005382858.1 | Veillonella atypica | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005384713.1 | Veillonella atypica | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005376164.1 | Veillonella atypica | [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_018904264.1 | Variovorax paradoxus | [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_018904285.1 | Variovorax paradoxus | [NiFe] Group 2b | Betaproteobacteria | Burkholderiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_022865058.1 | Varibaculum cambriense | [NiFe] Group 1f | Actinobacteria | Actinomycetales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_018606045.1 | Uliginosibacterium gangwonense | [FeFe] Group A2 | Betaproteobacteria | Rhodocyclales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_018610610.1 | Uliginosibacterium gangwonense | [NiFe] Group 1e | Betaproteobacteria | Rhodocyclales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_018608874.1 | Uliginosibacterium gangwonense | [NiFe] Group 3b | Betaproteobacteria | Rhodocyclales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_018609272.1 | Uliginosibacterium gangwonense | [NiFe] Group 4a | Betaproteobacteria | Rhodocyclales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_018606884.1 | Uliginosibacterium gangwonense | [NiFe] Group 4c | Betaproteobacteria | Rhodocyclales | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |
| WP_004611441.1 | Tyzzerella nexilis | [FeFe] Group A2 | Firmicutes | Clostridiales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_004614049.1 | Tyzzerella nexilis | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_004611414.1 | Tyzzerella nexilis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_004613839.1 | Tyzzerella nexilis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_004614045.1 | Tyzzerella nexilis | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_014803888.1 | Turneriella parva | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_006784034.1 | Turicibacter sanguinis | [FeFe] Group C3 | Firmicutes | Erysipelotrichales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_013192388.1 | Trichormus azollae | [NiFe] Group 2a | Cyanobacteria | Nostocales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| XP_001305709.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| XP_001310180.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| XP_001318941.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre | None, incomplete sequence |
| XP_001322682.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | Fusion with ferredoxin reductase |
| XP_001324510.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| XP_001328981.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| XP_001330775.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| XP_001580286.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| XP_001580488.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | Fusion with sulfite reductase |
| XP_001584012.1 | Trichomonas vaginalis | [FeFe] Group A1 | Metamonada | Trichomonadida | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_011612815.1 | Trichodesmium erythraeum | [NiFe] Group 2a | Cyanobacteria | Oscillatoriales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_013700376.1 | Treponema succinifaciens | [FeFe] Group B | Spirochaetes | Spirochaetales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_013701174.1 | Treponema succinifaciens | [FeFe] Group C2 | Spirochaetes | Spirochaetales | Sensory | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Fusion with methyl-accepting chemotaxis protein |
| WP_002704855.1 | Treponema saccharophilum | [FeFe] Group B | Spirochaetes | Spirochaetales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_015706988.1 | Treponema primitia | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_015707165.1 | Treponema primitia | [FeFe] Group A4 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 6 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADP dehydrogenase, four FeS proteins |
| WP_015707141.1 | Treponema primitia | [FeFe] Group C3 | Spirochaetes | Spirochaetales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_029410172.1 | Treponema pedis | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_010690649.1 | Treponema denticola | [FeFe] Group A2 | Spirochaetes | Spirochaetales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |