| WP_028007256.1 | Solimonas flava | [NiFe] Group 1d | Gammaproteobacteria | Xanthomonadales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_020647929.1 | Solimonas variicoloris | [NiFe] Group 1d | Gammaproteobacteria | Xanthomonadales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| XP_002948483.1 | Volvox carteri | [FeFe] Group A1 | Chlorophyta | Volvocales | Evolving | Labile | 1 | [FeFe]-centre | None |
| XP_002956049.1 | Volvox carteri | [FeFe] Group A1 | Chlorophyta | Volvocales | Evolving | Labile | 1 | [FeFe]-centre | None |
| WP_005368230.1 | Photobacterium angustum | [NiFe] Group 1b | Gammaproteobacteria | Vibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_005299657.1 | Photobacterium damselae | [NiFe] Group 1b | Gammaproteobacteria | Vibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_008987220.1 | Photobacterium leiognathi | [NiFe] Group 1b | Gammaproteobacteria | Vibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_023403981.1 | Vibrio halioticoli | [NiFe] Group 1b | Gammaproteobacteria | Vibrionales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_005505415.1 | Grimontia hollisae | [NiFe] Group 2c | Gammaproteobacteria | Vibrionales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_005505390.1 | Grimontia hollisae | [NiFe] Group 3d | Gammaproteobacteria | Vibrionales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_005366168.1 | Photobacterium angustum | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_008989674.1 | Photobacterium leiognathi | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_006232936.1 | Photobacterium profundum | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_007469705.1 | Photobacterium sp. AK15 | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_006644813.1 | Photobacterium sp. SKA34 | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_004726128.1 | Vibrio furnissii | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_021019734.1 | Vibrio gazogenes | [NiFe] Group 4a | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_007468176.1 | Photobacterium sp. AK15 | [NiFe] Group 4c | Gammaproteobacteria | Vibrionales | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |
| 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 |
| WP_007412921.1 | Pedosphaera parvula | [NiFe] Group 1h | Verrucomicrobia | Verrucomicrobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_009061764.1 | Methylacidiphilum fumariolicum | [NiFe] Group 3b | Verrucomicrobia | Verrucomicrobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_008098529.1 | Verrucomicrobiae bacterium DG1235 | [NiFe] Group 3b | Verrucomicrobia | Verrucomicrobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_024807859.1 | Verrucomicrobiae bacterium LP2A | [NiFe] Group 3b | Verrucomicrobia | Verrucomicrobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_018290138.1 | Verrucomicrobium sp. 3C | [NiFe] Group 3b | Verrucomicrobia | Verrucomicrobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017890120.1 | Caldatribacterium californiense | [FeFe] Group A1 | Atribacteria | Unclassified | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | None |
| WP_022808283.1 | Omnitrophus fodinae | [FeFe] Group A1 | Omnitrophica | Unclassified | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_026137213.1 | Caldatribacterium saccharofermentans | [FeFe] Group A1 | Atribacteria | Unclassified | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | None |
| WP_015424900.1 | Cloacimonas acidaminovorans | [FeFe] Group A3 | Cloacimonetes | Unclassified | Bifurcating | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_022849147.1 | Chloroflexi sp. 439 | [FeFe] Group A3 | Chloroflexi | Unclassified | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_017873317.1 | Caldatribacterium californiense | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_017890116.1 | Caldatribacterium saccharofermentans | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_025324287.1 | Deferrisoma camini | [NiFe] Group 1a | Deltaproteobacteria | Unclassified | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_025322049.1 | Deferrisoma camini | [NiFe] Group 1b | Deltaproteobacteria | Unclassified | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_012083422.1 | Sulfurovum sp. NBC37-1 | [NiFe] Group 1b | Epsilonproteobacteria | Unclassified | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome |
| WP_011525039.1 | Koribacter versatilis | [NiFe] Group 1c | Acidobacteria | Unclassified | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_015766767.1 | Accumulibacter phosphatis | [NiFe] Group 1c | Betaproteobacteria | Unclassified | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_025324524.1 | Deferrisoma camini | [NiFe] Group 1f | Deltaproteobacteria | Unclassified | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_017890430.1 | Caldatribacterium californiense | [NiFe] Group 3b | Atribacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_017873497.1 | Caldatribacterium saccharofermentans | [NiFe] Group 3b | Atribacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_014068049.1 | Rhodothermus marinus | [NiFe] Group 3b | Bacteroidetes | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_008085116.1 | Aciduliprofundum boonei | [NiFe] Group 3b | Euryarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| 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_009021278.1 | Luminiphilus syltensis | [NiFe] Group 3b | Gammaproteobacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_012308976.1 | Korarchaeum cryptofilum | [NiFe] Group 3b | Korarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_022808428.1 | Omnitrophus fodinae | [NiFe] Group 3b | Omnitrophica | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_020864100.1 | Caldiarchaeum subterraneum | [NiFe] Group 3b | Thaumarchaeota | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_015504206.1 | Methanomethylophilus alvus | [NiFe] Group 3c | Euryarchaeota | Unclassified | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_012309762.1 | Korarchaeum cryptofilum | [NiFe] Group 3c | Korarchaeota | Unclassified | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_015765571.1 | Accumulibacter phosphatis | [NiFe] Group 3d | Betaproteobacteria | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |