| WP_006305436.1 | Centipeda periodontii | [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_015597373.1 | Hyphomicrobium denitrificans | [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_027889016.1 | Megamonas hypermegale | [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_005840788.1 | Mitsuokella multacida | [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_007954318.1 | Pelosinus fermentans | [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_026762838.1 | Selenomonas artemidis | [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_019542170.1 | Selenomonas bovis | [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_006690835.1 | Selenomonas flueggei | [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_006692428.1 | Selenomonas infelix | [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_006696448.1 | Selenomonas noxia | [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_029541750.1 | Selenomonas ruminantium | [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_006192752.1 | Selenomonas sputigena | [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_021167302.1 | Sporomusa ovata | [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_007290417.1 | Thermosinus carboxydivorans | [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_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_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_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_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_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_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_019554568.1 | Zymophilus raffinosivorans | [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_007070913.1 | Dialister invisus | [NiFe] Group 4e | Firmicutes | Selenomonadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_022106764.1 | Dialister sp. CAG:486 | [NiFe] Group 4e | Firmicutes | Selenomonadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_008860581.1 | Dialister succinatiphilus | [NiFe] Group 4e | Firmicutes | Selenomonadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_012939228.1 | Acidaminococcus fermentans | [FeFe] Group B | Firmicutes | Selenomonadales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_004094701.1 | Acetonema longum | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_027938372.1 | Anaeroarcus burkinensis | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| 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_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_021718870.1 | Phascolarctobacterium sp. CAG:207 | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_021167282.1 | Sporomusa ovata | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_019880045.1 | Succinispira mobilis | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| WP_019553945.1 | Zymophilus raffinosivorans | [NiFe] Group 4f | Firmicutes | Selenomadales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two antiporter subunits |
| XP_002674266.1 | Naegleria gruberi | [FeFe] Group A1 | Percolozoa | Schizopyrenida | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_020923409.1 | Rhizobium etli | [NiFe] Group 1d | Alphaproteobacteria | Rhozobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_002727095.1 | Phaeospirillum molischianum | [FeFe] Group A2 | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_021130842.1 | Phaeospirillum fulvum | [FeFe] Group A2 | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH-dependent glutamate synthase |
| WP_002730048.1 | Phaeospirillum molischianum | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_014413848.1 | Rhodospirillum photometricum | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_021133133.1 | Phaeospirillum fulvum | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase |
| WP_022000256.1 | Acetobacter sp. CAG:977 | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_022196619.1 | Azospirillum sp. CAG:239 | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_022418208.1 | Acidiphilium sp. CAG:727 | [FeFe] Group A3 | Alphaproteobacteria | Rhodospirillales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_011388063.1 | Rhodospirillum rubrum | [FeFe] Group A4 | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_022078722.1 | Acetobacter sp. CAG:267 | [FeFe] Group B | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_022187469.1 | Azospirillum sp. CAG:260 | [FeFe] Group B | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_022195425.1 | Azospirillum sp. CAG:239 | [FeFe] Group B | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_022418160.1 | Acidiphilium sp. CAG:727 | [FeFe] Group B | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_014198378.1 | Azospirillum brasilense | [NiFe] Group 1c | Alphaproteobacteria | Rhodospirillales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |