| WP_007412921.1 | Pedosphaera parvula | [NiFe] Group 1h | Verrucomicrobia | Verrucomicrobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_022740096.1 | Adlercreutzia equolifaciens | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_009141216.1 | Collinsella tanakaei | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_012803243.1 | Cryptobacterium curtum | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_022379409.1 | Cryptobacterium sp. CAG:338 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_009304598.1 | Eggerthella lenta | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_021900186.1 | Eggerthella sp. CAG:1427 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_022184401.1 | Eggerthella sp. CAG:209 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_022363273.1 | Eggerthella sp. CAG:298 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_022370065.1 | Eggerthella sp. CAG:368 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_013979648.1 | Eggerthella sp. YY7918 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_016308995.1 | Enterorhabdus caecimuris | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_028026422.1 | Enterorhabdus mucosicola | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_015539897.1 | Gordonibacter pamelaeae | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_006361856.1 | Slackia exigua | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_012798421.1 | Slackia heliotrinireducens | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_009139069.1 | Slackia piriformis | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_009077692.1 | Slackia sp. CM382 | [NiFe] Group 1i | Actinobacteria | Coriobacteriales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_010878877.1 | Archaeoglobus fulgidus | [NiFe] Group 1j | Euryarchaeota | Archaeoglobales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_012940402.1 | Archaeoglobus profundus | [NiFe] Group 1j | Euryarchaeota | Archaeoglobales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_015591799.1 | Archaeoglobus sulfaticallidus | [NiFe] Group 1j | Euryarchaeota | Archaeoglobales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_013682857.1 | Archaeoglobus veneficus | [NiFe] Group 1j | Euryarchaeota | Archaeoglobales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_012965344.1 | Ferroglobus placidus | [NiFe] Group 1j | Euryarchaeota | Archaeoglobales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011714112.1 | Magnetococcus marinus | [NiFe] Group 2b | Alphaproteobacteria | Magnetococcales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_018391446.1 | Ancylobacter sp. FA202 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_012169127.1 | Azorhizobium caulinodans | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_029004859.1 | Azorhizobium doebereinerae | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_012384146.1 | Beijerinckia indica | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_029356684.1 | Bosea sp. 117 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011089681.1 | Bradyrhizobium diazoefficiens | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_028135604.1 | Bradyrhizobium japonicum | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_015668919.1 | Bradyrhizobium oligotrophicum | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_015597392.1 | Hyphomicrobium denitrificans | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_026600034.1 | Methylocystis sp. LW5 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_014891818.1 | Methylocystis sp. SC2 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_024878510.1 | Methylosinus sp. LW3 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_018266917.1 | Methylosinus sp. LW4 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_003612204.1 | Methylosinus trichosporium | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_013913763.1 | Oligotropha carboxidovorans | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_028738631.1 | Rhizobium selenitireducens | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_013418661.1 | Rhodomicrobium vannielii | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011662668.1 | Rhodopseudomonas palustris | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_022723662.1 | Rhodopseudomonas sp. B29 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_028877931.1 | Terasakiella pusilla | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011996000.1 | Xanthobacter autotrophicus | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_024281261.1 | Xanthobacter sp. 126 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_029556474.1 | Xanthobacter sp. 91 | [NiFe] Group 2b | Alphaproteobacteria | Rhizobiales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_009505605.1 | Citreicella sp. 357 | [NiFe] Group 2b | Alphaproteobacteria | Rhodobacterales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_008886444.1 | Citreicella sp. SE45 | [NiFe] Group 2b | Alphaproteobacteria | Rhodobacterales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |
| WP_011749363.1 | Paracoccus denitrificans | [NiFe] Group 2b | Alphaproteobacteria | Rhodobacterales | Sensory | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Histidine kinase, response regulator |