| WP_028318930.1 | Desulfobulbus elongatus | [FeFe] Group A3 | Deltaproteobacteria | Desulfobacterales | Bifurcating | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADH dehydrogenase, thioredoxin |
| WP_028330509.1 | Brachyspira alvinipulli | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028515986.1 | Ruminococcus flavefaciens | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028729360.1 | Parabacteroides gordonii | [FeFe] Group A3 | Bacteroidetes | Bacteroidales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028828670.1 | Proteocatella sphenisci | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028828847.1 | Proteocatella sphenisci | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028842275.1 | Thermodesulfovibrio islandicus | [FeFe] Group A3 | Nitrospirae | Nitrospirales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028843229.1 | Thermotoga elfii | [FeFe] Group A3 | Thermotogae | Thermotogales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028856758.1 | Psychrilyobacter atlanticus | [FeFe] Group A3 | Fusobacteria | Fusobacteriales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028856899.1 | Psychrilyobacter atlanticus | [FeFe] Group A3 | Fusobacteria | Fusobacteriales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028893663.1 | Syntrophorhabdus aromaticivorans | [FeFe] Group A3 | Deltaproteobacteria | Syntrophobacterales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_028893679.1 | Syntrophorhabdus aromaticivorans | [FeFe] Group A3 | Deltaproteobacteria | Syntrophobacterales | Bifurcating | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADH dehydrogenase, thioredoxin |
| WP_028972813.1 | Spirochaeta cellobiosiphila | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_029410172.1 | Treponema pedis | [FeFe] Group A3 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_029460330.1 | Desulfovibrio alcoholivorans | [FeFe] Group A3 | Deltaproteobacteria | Desulfovibrionales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_029460554.1 | Desulfovibrio alcoholivorans | [FeFe] Group A3 | Deltaproteobacteria | Desulfovibrionales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_029502586.1 | Lachnoclostridium phytofermentans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_029502830.1 | Lachnoclostridium phytofermentans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_029725248.1 | Desulfotignum balticum | [FeFe] Group A3 | Deltaproteobacteria | Desulfobacterales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_031366038.1 | Lactococcus chungangensis | [FeFe] Group A3 | Firmicutes | Lactobacillales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_032508101.1 | Peptoclostridium difficile | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_007063270.1 | Clostridium carboxidivorans | [FeFe] Group A4 | Firmicutes | Clostridiales | Bifurcating | Labile | 6 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADP dehydrogenase, four FeS proteins |
| WP_007285433.1 | Intestinibacter bartlettii | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_007960496.1 | Pelosinus fermentans | [FeFe] Group A4 | Firmicutes | Selenomonadales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_010295100.1 | Clostridium senegalense | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_010345843.1 | Paenibacillus peoriae | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011187724.1 | Desulfotalea psychrophila | [FeFe] Group A4 | Deltaproteobacteria | Desulfobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011366599.1 | Desulfovibrio alaskensis | [FeFe] Group A4 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011388063.1 | Rhodospirillum rubrum | [FeFe] Group A4 | Alphaproteobacteria | Rhodospirillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_011393383.1 | Moorella thermoacetica | [FeFe] Group A4 | Firmicutes | Thermoanaerobacterales | Bifurcating | Labile | 6 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADP dehydrogenase, four FeS proteins |
| WP_011989407.1 | Clostridium kluyveri | [FeFe] Group A4 | Firmicutes | Clostridiales | Bifurcating | Labile | 6 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADP dehydrogenase, four FeS proteins |
| WP_012031839.1 | Pelotomaculum thermopropionicum | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_012662530.1 | Desulfobacterium autotrophicum | [FeFe] Group A4 | Deltaproteobacteria | Desulfobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_012765956.1 | Desulfovibrio salexigens | [FeFe] Group A4 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_013237377.1 | Clostridium ljungdahlii | [FeFe] Group A4 | Firmicutes | Clostridiales | Bifurcating | Labile | 6 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADP dehydrogenase, four FeS proteins |
| WP_013238388.1 | Clostridium ljungdahlii | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_013275594.1 | Thermosediminibacter oceani | [FeFe] Group A4 | Firmicutes | Thermoanaerobacterales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_014282026.1 | Paenibacillus terrae | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_014355220.1 | Acetobacterium woodii | [FeFe] Group A4 | Firmicutes | Clostridiales | Bifurcating | Labile | 6 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADP dehydrogenase, four FeS proteins |
| WP_015337360.1 | Desulfovibrio hydrothermalis | [FeFe] Group A4 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_015707165.1 | Treponema primitia | [FeFe] Group A4 | Spirochaetes | Spirochaetales | Bifurcating | Labile | 6 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADP dehydrogenase, four FeS proteins |
| WP_016822145.1 | Paenibacillus polymyxa | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_018591881.1 | Terrisporobacter glycolicus | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_018884458.1 | Paenibacillus massiliensis | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_021432325.1 | Peptoclostridium bifermentans | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_023162857.1 | Clostridium autoethanogenum | [FeFe] Group A4 | Firmicutes | Clostridiales | Bifurcating | Labile | 6 | [FeFe]-centre, 2 x [4Fe4S] clusters | NADP dehydrogenase, four FeS proteins |
| WP_023975234.1 | Clostridium pasteurianum | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_024825939.1 | Desulfovibrio magneticus | [FeFe] Group A4 | Deltaproteobacteria | Desulfovibrionales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_025688954.1 | Paenibacillus zanthoxyli | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_025700928.1 | Paenibacillus forsythiae | [FeFe] Group A4 | Firmicutes | Bacillales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |