| WP_026883172.1 | Clostridium akagii | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_026881775.1 | Clostridium akagii | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_029451048.1 | Clostridium algidicarnis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_029452114.1 | Clostridium algidicarnis | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_010234442.1 | Clostridium arbusti | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_010241437.1 | Clostridium arbusti | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_010235263.1 | Clostridium arbusti | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_010233943.1 | Clostridium arbusti | [NiFe] Group 1a | Firmicutes | Clostridiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_023162310.1 | Clostridium autoethanogenum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_023163243.1 | Clostridium autoethanogenum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| 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_026887313.1 | Clostridium beijerinckii | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_026888587.1 | Clostridium beijerinckii | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_026888482.1 | Clostridium beijerinckii | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_026885750.1 | Clostridium beijerinckii | [FeFe] Group A4 | Firmicutes | Clostridiales | Evolving | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters | FeS protein, FeS protein |
| WP_026886567.1 | Clostridium beijerinckii | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_026887424.1 | Clostridium beijerinckii | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_017209204.1 | Clostridium beijerinckii | [NiFe] Group 1a | Firmicutes | Clostridiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_024933644.1 | Clostridium botulinum | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 2 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | Small subunit |
| WP_024932223.1 | Clostridium botulinum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_024933083.1 | Clostridium botulinum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_015958012.1 | Clostridium botulinum | [NiFe] Group 1a | Firmicutes | Clostridiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_002583070.1 | Clostridium butyricum | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_002580338.1 | Clostridium butyricum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_002580023.1 | Clostridium butyricum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_002582769.1 | Clostridium butyricum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_027639457.1 | Clostridium cadaveris | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_027639472.1 | Clostridium cadaveris | [FeFe] Group A1 | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_027637394.1 | Clostridium cadaveris | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_027637669.1 | Clostridium cadaveris | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_027639106.1 | Clostridium cadaveris | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_027637671.1 | Clostridium cadaveris | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_027639785.1 | Clostridium cadaveris | [NiFe] Group 1a | Firmicutes | Clostridiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |
| WP_007060145.1 | Clostridium carboxidivorans | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_007062593.1 | Clostridium carboxidivorans | [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_007059875.1 | Clostridium carboxidivorans | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_007061531.1 | Clostridium carboxidivorans | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_007064371.1 | Clostridium carboxidivorans | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_007059414.1 | Clostridium carboxidivorans | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
| WP_005210787.1 | Clostridium celatum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | None |
| WP_005210847.1 | Clostridium celatum | [FeFe] Group B | Firmicutes | Clostridiales | Evolving | Labile | 1 | [FeFe]-centre, 2 x [4Fe4S] clusters | None |
| WP_005213155.1 | Clostridium celatum | [NiFe] Group 4e | Firmicutes | Clostridiales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_005210163.1 | Clostridium celatum | [NiFe] Group 4g | Firmicutes | Clostridiales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_027631079.1 | Clostridium cellobioparum | [NiFe] Group 4e | Firmicutes | Clostridiales | Evolving | Sensitive | 6 | [NiFe]-centre, 1 x [4Fe4S] clusters | NuoL, NuoH, NuoC, [FeS] protein |
| WP_015925666.1 | Clostridium cellulolyticum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_015925732.1 | Clostridium cellulolyticum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 3 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin |
| WP_015925885.1 | Clostridium cellulolyticum | [FeFe] Group A3 | Firmicutes | Clostridiales | Bifurcating | Labile | 4 | [FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] cluster | NADH dehydrogenase, thioredoxin, thioredoxin |
| WP_015925729.1 | Clostridium cellulolyticum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
| WP_015924586.1 | Clostridium cellulolyticum | [NiFe] Group 1a | Firmicutes | Clostridiales | Anaerobic Uptake | Sensitive | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | Cytochrome |