| WP_013328542.1 | Methanoplanus petrolearius | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012106016.1 | Methanoregula boonei | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012107592.1 | Methanoregula boonei | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_015286660.1 | Methanoregula formicica | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012616797.1 | Methanosphaerula palustris | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011449294.1 | Methanospirillum hungatei | [NiFe] Group 3a | Euryarchaeota | Methanomicrobiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011019299.1 | Methanopyrus kandleri | [NiFe] Group 3a | Euryarchaeota | Methanopyrales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011021012.1 | Methanosarcina acetivorans | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011307257.1 | Methanosarcina barkeri | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011305486.1 | Methanosarcina barkeri | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_011034943.1 | Methanosarcina mazei | [NiFe] Group 3a | Euryarchaeota | Methanosarcinales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_013905833.1 | Pyrococcus yayanosii | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_015857693.1 | Thermococcus gammatolerans | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012572521.1 | Thermococcus onnurineus | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_014012057.1 | Thermococcus sp. 4557 | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_014788989.1 | Thermococcus sp. CL1 | [NiFe] Group 3a | Euryarchaeota | Thermococcales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | F420 reductase |
| WP_012020882.1 | Metallosphaera sedula | [NiFe] Group 2e | Crenarchaeota | Sulfolobales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_009070398.1 | Metallosphaera yellowstonensis | [NiFe] Group 2e | Crenarchaeota | Sulfolobales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_016729728.1 | Sulfolobus islandicus | [NiFe] Group 2e | Crenarchaeota | Sulfolobales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_048100359.1 | Acidianus copahuensis | [NiFe] Group 2e | Crenarchaeota | Sulfolobales | Aerobic Uptake | Tolerant | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_010880487.1 | Aquifex aeolicus | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_008286852.1 | Hydrogenivirga sp. 128-5-R1-1 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012963643.1 | Hydrogenobacter thermophilus | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012514441.1 | Hydrogenobaculum sp. Y04AAS1 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012676217.1 | Persephonella marina | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_029520218.1 | Persephonella sp. IF05-L8 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_029523037.1 | Persephonella sp. KM09-Lau-8 | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012673603.1 | Sulfurihydrogenibium azorense | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_028949944.1 | Sulfurihydrogenibium subterraneum | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012992449.1 | Thermocrinis albus | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_025306143.1 | Thermocrinis ruber | [NiFe] Group 2d | Aquificae | Aquificales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_020848144.1 | Arcobacter butzleri | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_013135162.1 | Arcobacter nitrofigilis | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_013460910.1 | Sulfuricurvum kujiense | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_015654358.1 | Sulfuricurvum sp. RIFRC-1 | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_011373066.1 | Sulfurimonas denitrificans | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_008339288.1 | Sulfurimonas gotlandica | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_025344558.1 | Sulfurospirillum multivorans | [NiFe] Group 2d | Epsilonproteobacteria | Campylobacterales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_007473987.1 | Caminibacter mediatlanticus | [NiFe] Group 2d | Epsilonproteobacteria | Nautiliales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_024789023.1 | Lebetimonas sp. JH292 | [NiFe] Group 2d | Epsilonproteobacteria | Nautiliales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_024786773.1 | Lebetimonas sp. JH369 | [NiFe] Group 2d | Epsilonproteobacteria | Nautiliales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_012663437.1 | Nautilia profundicola | [NiFe] Group 2d | Epsilonproteobacteria | Nautiliales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| WP_013553042.1 | Nitratifractor salsuginis | [NiFe] Group 2d | Epsilonproteobacteria | Nautiliales | Anaerobic Uptake | Unknown | 2 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | None |
| 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_022980127.1 | Ideonella sp. B508-1 | [NiFe] Group 2c | Betaproteobacteria | Burkholderiales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_012346378.1 | Leptothrix cholodnii | [NiFe] Group 2c | Betaproteobacteria | Burkholderiales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_011288617.1 | Dechloromonas aromatica | [NiFe] Group 2c | Betaproteobacteria | Rhodocyclales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_028315676.1 | Desulfatibacillum aliphaticivorans | [NiFe] Group 2c | Deltaproteobacteria | Desulfobacterales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_015947049.1 | Desulfatibacillum alkenivorans | [NiFe] Group 2c | Deltaproteobacteria | Desulfobacterales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |
| WP_028584585.1 | Desulfobulbus mediterraneus | [NiFe] Group 2c | Deltaproteobacteria | Desulfobacterales | Sensory | Tolerant | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Diguanylate cyclase / phosphodiesterase |