| WP_022851572.1 | Geovibrio sp. L21-Ace-BES | [NiFe] Group 1f | Deferribacteres | Deferribacterales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_027713781.1 | Desulfuromonas sp. TF | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_012529798.1 | Geobacter bemidjiensis | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_026840074.1 | Geobacter bremensis | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_012470110.1 | Geobacter lovleyi | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_004512555.1 | Geobacter metallireducens | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_015718812.1 | Geobacter sp. M18 | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_010940798.1 | Geobacter sulfurreducens | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_011937483.1 | Geobacter uraniireducens | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_020678214.1 | Geopsychrobacter electrodiphilus | [NiFe] Group 1f | Deltaproteobacteria | Desulfuromonadales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| 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_020489980.1 | Dehalobacter sp. FTH1 | [NiFe] Group 1f | Firmicutes | Clostridiales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_028842875.1 | Thermodesulfovibrio islandicus | [NiFe] Group 1f | Nitrospirae | Nitrospirales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_028845527.1 | Thermodesulfovibrio thiophilus | [NiFe] Group 1f | Nitrospirae | Nitrospirales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_012546172.1 | Thermodesulfovibrio yellowstonii | [NiFe] Group 1f | Nitrospirae | Nitrospirales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| 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_011822511.1 | Hyperthermus butylicus | [NiFe] Group 1g | Crenarchaeota | Desulfurococcales | Anaerobic Uptake | Unknown | 3 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b |
| WP_012123507.1 | Ignicoccus hospitalis | [NiFe] Group 1g | Crenarchaeota | Desulfurococcales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_014025627.1 | Pyrolobus fumarii | [NiFe] Group 1g | Crenarchaeota | Desulfurococcales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_011900768.1 | Pyrobaculum arsenaticum | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_011850254.1 | Pyrobaculum calidifontis | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_011761956.1 | Pyrobaculum islandicum | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_014346469.1 | Pyrobaculum oguniense | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_011752262.1 | Thermofilum pendens | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_020962524.1 | Thermofilum sp. 1910b | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_012349775.1 | Thermoproteus neutrophilus | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_014125970.1 | Thermoproteus tenax | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_013680997.1 | Thermoproteus uzoniensis | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_013337401.1 | Vulcanisaeta distributa | [NiFe] Group 1g | Crenarchaeota | Thermoproteales | Anaerobic Uptake | Unknown | 4 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | Cytochrome b, [FeS] protein |
| WP_011603008.1 | Frankia alni | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_009739903.1 | Frankia sp. QA3 | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_006368950.1 | Gordonia polyisoprenivorans | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_006335051.1 | Gordonia rhizosphera | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_006594684.1 | Kineosphaera limosa | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_005626347.1 | Mycobacterium hassiacum | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_024444663.1 | Mycobacterium iranicum | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_003888964.1 | Mycobacterium phlei | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_003893634.1 | Mycobacterium smegmatis | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_003925668.1 | Mycobacterium thermoresistibile | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_006242868.1 | Mycobacterium tusciae | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_011779592.1 | Mycobacterium vanbaalenii | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_028656395.1 | Nocardioides sp. J54 | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_028931752.1 | Pseudonocardia asaccharolytica | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_013678342.1 | Pseudonocardia dioxanivorans | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_005476263.1 | Streptomyces bottropensis | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_013133447.1 | Thermobispora bispora | [NiFe] Group 2a | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_013896580.1 | Mesorhizobium opportunistum | [NiFe] Group 2a | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_026607801.1 | Methylocapsa acidiphila | [NiFe] Group 2a | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |
| WP_012592713.1 | Methylocella silvestris | [NiFe] Group 2a | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 5 | [NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] cluster | [FeS] protein, hypothetical proteins |