| WP_015617925.1 | Desulfotomaculum gibsoniae | [NiFe] Group 3c | Firmicutes | Clostridiales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_015739967.1 | Ammonifex degensii | [NiFe] Group 3c | Firmicutes | Thermoanaerobacterales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_013756665.1 | Thermodesulfobium narugense | [NiFe] Group 3c | Firmicutes | Thermoanaerobacterales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_013908379.1 | Thermodesulfatator indicus | [NiFe] Group 3c | Firmicutes | Thermodesulfobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_012309762.1 | Korarchaeum cryptofilum | [NiFe] Group 3c | Korarchaeota | Unclassified | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_012545782.1 | Thermodesulfovibrio yellowstonii | [NiFe] Group 3c | Nitrospirae | Nitrospirales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_022853555.1 | Thermodesulfatator atlanticus | [NiFe] Group 3c | Thermodesulfobacteria | Thermodesulfobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_028840908.1 | Thermodesulfobacterium hveragerdense | [NiFe] Group 3c | Thermodesulfobacteria | Thermodesulfobacteriales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_012376486.1 | Opitutus terrae | [NiFe] Group 3c | Verrucomicrobia | Opitutales | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_041979300.1 | Pyrinomonas methylaliphatogenes | [NiFe] Group 1h | Acidobacteria | Blastocatellia | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| KKK40681.1 | Lokiarchaeum sp. GC14_75 | [NiFe] Group 3c | Lokiarchaeota | N/A | Bifurcating | Sensitive | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Polyferredoxin, [FeS] protein |
| WP_048100378.1 | Acidianus copahuensis | [NiFe] Group 1h | Crenarchaeota | Sulfolobales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
| WP_048090768.1 | Methanoperedens nitroreducens | [NiFe] Group 3b | Euryarchaeota | Methanosarcinales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| WP_048088262.1 | Methanoperedens nitroreducens | [NiFe] Group 3b | Euryarchaeota | Methanosarcinales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
| CUU06124.1 | Kryptonium thompsoni | [NiFe] Group 3b | Kryptonia | N/A | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |