| WP_029009764.1 | Azospirillum halopraeferens | [NiFe] Group 1c | Alphaproteobacteria | Rhodospirillales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_024080419.1 | Magnetospirillum gryphiswaldense | [NiFe] Group 1c | Alphaproteobacteria | Rhodospirillales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_011384056.1 | Magnetospirillum magneticum | [NiFe] Group 1c | Alphaproteobacteria | Rhodospirillales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_008620025.1 | Magnetospirillum sp. SO-1 | [NiFe] Group 1c | Alphaproteobacteria | Rhodospirillales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_025825897.1 | Acetobacter okinawensis | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_025861579.1 | Acetobacter papayae | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_029009006.1 | Azospirillum halopraeferens | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_014249365.1 | Azospirillum lipoferum | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_009540200.1 | Caenispirillum salinarum | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_025813214.1 | Komagataeibacter kakiaceti | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_021130964.1 | Phaeospirillum fulvum | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_002725307.1 | Phaeospirillum molischianum | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_011388917.1 | Rhodospirillum rubrum | [NiFe] Group 1d | Alphaproteobacteria | Rhodospirillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_029008300.1 | Azospirillum halopraeferens | [NiFe] Group 3b | Alphaproteobacteria | Rhodospirillales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_009540223.1 | Caenispirillum salinarum | [NiFe] Group 3b | Alphaproteobacteria | Rhodospirillales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_024079550.1 | Magnetospirillum gryphiswaldense | [NiFe] Group 3b | Alphaproteobacteria | Rhodospirillales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_011385756.1 | Magnetospirillum magneticum | [NiFe] Group 3d | Alphaproteobacteria | Rhodospirillales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_008616907.1 | Magnetospirillum sp. SO-1 | [NiFe] Group 3d | Alphaproteobacteria | Rhodospirillales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 1 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_029010114.1 | Azospirillum halopraeferens | [NiFe] Group 4a | Alphaproteobacteria | Rhodospirillales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_014249328.1 | Azospirillum lipoferum | [NiFe] Group 4a | Alphaproteobacteria | Rhodospirillales | Evolving | Sensitive | 6 or 9 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, two [FeS] proteins, (three antiporter subunits) |
| WP_011388069.1 | Rhodospirillum rubrum | [NiFe] Group 4b | Alphaproteobacteria | Rhodospirillales | Evolving | Sensitive | 13 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, two [FeS] proteins, seven MRP antiporter subunits, etc. |
| WP_011389179.1 | Rhodospirillum rubrum | [NiFe] Group 4c | Alphaproteobacteria | Rhodospirillales | Evolving | Sensitive | 7 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein, polyferredoxin |
| WP_029009221.1 | Azospirillum halopraeferens | [NiFe] Group 4g | Alphaproteobacteria | Rhodospirillales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_025825893.1 | Acetobacter okinawensis | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_004274639.1 | Azospirillum amazonense | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_029009282.1 | Azospirillum halopraeferens | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_012976476.1 | Azospirillum lipoferum | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_024080410.1 | Magnetospirillum gryphiswaldense | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011384345.1 | Magnetospirillum magneticum | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_008622301.1 | Magnetospirillum sp. SO-1 | [NiFe] Group 2b | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011383527.1 | Magnetospirillum magneticum | [NiFe] Group 2c | Alphaproteobacteria | Rhodospiralles | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| 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_015437386.1 | Azoarcus sp. KH32C | [NiFe] Group 1c | Betaproteobacteria | Rhodocyclales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_014238024.1 | Azospira oryzae | [NiFe] Group 1c | Betaproteobacteria | Rhodocyclales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_027457220.1 | Dechloromonas agitata | [NiFe] Group 1c | Betaproteobacteria | Rhodocyclales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_011289692.1 | Dechloromonas aromatica | [NiFe] Group 1c | Betaproteobacteria | Rhodocyclales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_004378930.1 | Thauera phenylacetica | [NiFe] Group 1c | Betaproteobacteria | Rhodocyclales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, TM subunit |
| WP_011767509.1 | Azoarcus sp. BH72 | [NiFe] Group 1d | Betaproteobacteria | Rhodocyclales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_028993715.1 | Azonexus hydrophilus | [NiFe] Group 1d | Betaproteobacteria | Rhodocyclales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_026685892.1 | Azovibrio restrictus | [NiFe] Group 1d | Betaproteobacteria | Rhodocyclales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_011289709.1 | Dechloromonas aromatica | [NiFe] Group 1d | Betaproteobacteria | Rhodocyclales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_026224841.1 | Methyloversatilis sp. NVD | [NiFe] Group 1d | Betaproteobacteria | Rhodocyclales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_008063479.1 | Methyloversatilis universalis | [NiFe] Group 1d | Betaproteobacteria | Rhodocyclales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| 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_011767530.1 | Azoarcus sp. BH72 | [NiFe] Group 2b | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_015437371.1 | Azoarcus sp. KH32C | [NiFe] Group 2b | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_028993698.1 | Azonexus hydrophilus | [NiFe] Group 2b | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein, hypothetical proteins |
| WP_026685912.1 | Azovibrio restrictus | [NiFe] Group 2b | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_018412518.1 | Methyloversatilis sp. NVD | [NiFe] Group 2b | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_020162849.1 | Methyloversatilis universalis | [NiFe] Group 2b | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |