| 5XTB | e5xtbM1 | 1001.1.1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Molybdop_Fe4S4 |
| e5xtbM4 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtbM6 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtbM2 | 205.1.1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| e5xtbM5 | 221.1.1 | beta-Grasp | Ubiquitin-related | Ubiquitin-like | Fer2 |
| e5xtbM3 | 5100.1.1 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| 5XTD | e5xtdM1 | 1001.1.1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Molybdop_Fe4S4 |
| e5xtdM2 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtdM3 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtdM6 | 205.1.1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| e5xtdM4 | 221.1.1 | beta-Grasp | Ubiquitin-related | Ubiquitin-like | Fer2 |
| e5xtdM5 | 5100.1.1 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| 5XTH | e5xthM5 | 1001.1.1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Molybdop_Fe4S4 |
| e5xthM2 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xthM6 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xthM3 | 205.1.1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| e5xthM4 | 221.1.1 | beta-Grasp | Ubiquitin-related | Ubiquitin-like | Fer2 |
| e5xthM1 | 5100.1.1 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| 5XTI | e5xtiM5 | 1001.1.1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Molybdop_Fe4S4 |
| e5xtiBM2 | 1001.1.1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Molybdop_Fe4S4 |
| e5xtiM3 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtiM6 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtiBM5 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtiBM6 | 2003.2.1 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| e5xtiM1 | 205.1.1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| e5xtiBM3 | 205.1.1 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | Fer4 |
| e5xtiM4 | 221.1.1 | beta-Grasp | Ubiquitin-related | Ubiquitin-like | Fer2 |
| e5xtiBM1 | 221.1.1 | beta-Grasp | Ubiquitin-related | Ubiquitin-like | Fer2 |
| e5xtiM2 | 5100.1.1 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |
| e5xtiBM4 | 5100.1.1 | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | iron-sulfur center-binding helical hairpin | NADH-G_4Fe-4S_3 |