| 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_012036281.1 | Methanocella arvoryzae | [NiFe] Group 1k | Euryarchaeota | Methanocellales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_014405075.1 | Methanocella conradii | [NiFe] Group 1k | Euryarchaeota | Methanocellales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_012901677.1 | Methanocella paludicola | [NiFe] Group 1k | Euryarchaeota | Methanocellales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_023846630.1 | Methanolobus tindarius | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_013898215.1 | Methanosalsum zhilinae | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011021171.1 | Methanosarcina acetivorans | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011021166.1 | Methanosarcina acetivorans | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011306833.1 | Methanosarcina barkeri | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011306827.1 | Methanosarcina barkeri | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011034237.1 | Methanosarcina mazei | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011034101.1 | Methanosarcina mazei | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| WP_011034107.1 | Methanosarcina mazei | [NiFe] Group 1k | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome b |
| CUU03002.1 | Kryptonium thompsoni | [NiFe] Group 1d | Kryptonia | N/A | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 1 x [4Fe3S] cluster, 1 x [3Fe4S] cluster, 1 x [4Fe4S] cluster | Cytochrome b |
| WP_008030254.1 | Rhodobacter sp. SW2 | [NiFe] Group 1e | Alphaproteobacteria | Rhodobacterales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_010880593.1 | Aquifex aeolicus | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_008287448.1 | Hydrogenivirga sp. 128-5-R1-1 | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012962745.1 | Hydrogenobacter thermophilus | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012992451.1 | Thermocrinis albus | [NiFe] Group 1e | Aquificae | Aquificales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_013029748.1 | Sideroxydans lithotrophicus | [NiFe] Group 1e | Betaproteobacteria | Gallionellales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_018077111.1 | Thiobacillus denitrificans | [NiFe] Group 1e | Betaproteobacteria | Hydrogenophilales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_018508052.1 | Thiobacillus thioparus | [NiFe] Group 1e | Betaproteobacteria | Hydrogenophilales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| 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_012537694.1 | Acidithiobacillus ferrooxidans | [NiFe] Group 1e | Gammaproteobacteria | Acidithiobacillales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_015066016.1 | Alteromonas macleodii | [NiFe] Group 1e | Gammaproteobacteria | Alteromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_006991846.1 | Glaciecola mesophila | [NiFe] Group 1e | Gammaproteobacteria | Alteromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_013755279.1 | Glaciecola sp. 4H-3-7+YE-5 | [NiFe] Group 1e | Gammaproteobacteria | Alteromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_029133715.1 | Sedimenticola selenatireducens | [NiFe] Group 1e | Gammaproteobacteria | Alteromonadales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012971230.1 | Allochromatium vinosum | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_020503980.1 | Lamprocystis purpurea | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_020508075.1 | Lamprocystis purpurea | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_015258842.1 | Thioalkalivibrio nitratireducens | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_018952796.1 | Thioalkalivibrio sp. ALJ17 | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_026340838.1 | Thioalkalivibrio sp. ALJT | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012637835.1 | Thioalkalivibrio sulfidiphilus | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_007191025.1 | Thiocapsa marina | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| AAC38282.1 | Thiocapsa roseopersicina | [NiFe] Group 1e | Gammaproteobacteria | Chromatiales | Anaerobic Uptake | Sensitive | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |