| WP_028586843.1 | Desulfocurvus vexinensis | [FeFe] Group A1 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit |
| WP_011073665.1 | Shewanella oneidensis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_011623989.1 | Shewanella sp. MR-4 | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_011641315.1 | Syntrophomonas wolfei | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_011715875.1 | Shewanella sp. ANA-3 | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_012276514.1 | Shewanella halifaxensis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013175699.1 | Syntrophothermus lipocalidus | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013345564.1 | Ferrimonas balearica | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013756852.1 | Thermodesulfobium narugense | [FeFe] Group A1 | Firmicutes | Thermoanaerobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013907122.1 | Thermodesulfatator indicus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013907125.1 | Thermodesulfatator indicus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_014423937.1 | Selenomonas ruminantium | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_018703705.1 | Anaeromusa acidaminophila | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_022852507.1 | Thermodesulfatator atlanticus | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_022854721.1 | Thermodesulfobacterium thermophilum | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_023268563.1 | Shewanella decolorationis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_024788990.1 | Lebetimonas sp. JH292 | [FeFe] Group A1 | Epsilonproteobacteria | Nautiliales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_025823167.1 | Shewanella marina | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_025888294.1 | Shewanella haliotis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_026329186.1 | Zymophilus raffinosivorans | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_027938424.1 | Anaeroarcus burkinensis | [FeFe] Group A1 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028109440.1 | Ferrimonas futtsuensis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028116362.1 | Ferrimonas senticii | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028768142.1 | Shewanella fidelis | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028781324.1 | Shewanella sp. 38A_GOM-205m | [FeFe] Group A1 | Gammaproteobacteria | Alteromonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_028841196.1 | Thermodesulfobacterium hveragerdense | [FeFe] Group A1 | Thermodesulfobacteria | Thermodesulfobacteriales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | Small subunit, cytochrome b |
| WP_013823947.1 | Desulfotomaculum kuznetsovii | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | Thioredoxin |
| WP_014267363.1 | Granulicella mallensis | [NiFe] Group 1h | Acidobacteria | Acidobacteriales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_011688202.1 | Solibacter usitatus | [NiFe] Group 1h | Acidobacteria | Solibacterales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_021597135.1 | Actinomadura madurae | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_026402909.1 | Actinomadura rifamycini | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_018330638.1 | Actinomycetospora chiangmaiensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020516695.1 | Actinoplanes globisporus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_026468830.1 | Amycolatopsis balhimycina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_007034607.1 | Amycolatopsis decaplanina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_013225646.1 | Amycolatopsis mediterranei | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_027944444.1 | Amycolatopsis taiwanensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_004559486.1 | Amycolatopsis vancoresmycina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_013806771.1 | Amycolicicoccus subflavus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_003801347.1 | Arthrobacter globiformis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_014376814.1 | Blastococcus saxobsidens | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_011603554.1 | Frankia alni | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_018502886.1 | Frankia sp. BCU110501 | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_007516725.1 | Frankia sp. CN3 | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_020460087.1 | Frankia sp. EAN1pec | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_013423858.1 | Frankia sp. EuI1c | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_006543203.1 | Frankia sp. EUN1f | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_009739394.1 | Frankia sp. QA3 | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_006334825.1 | Gordonia rhizosphera | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_011724971.1 | Mycobacterium avium | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |