| P09152 | DB04315 | 1siw | GDP | A | 1247 | e1siwA1 | cradle loop barrel | RIFT-related | double psi | Molydop_binding |
| P09152 | DB04315 | 1siw | GDP | A | 1247 | e1siwA2 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Formate dehydrogenase/DMSO reductase, domain 1 | Nitr_red_alph_N |
| P09152 | DB04315 | 1siw | GDP | A | 1247 | e1siwA4 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |
| P09152 | DB04315 | 3ir6 | GDP | A | 1248 | e3ir6A2 | cradle loop barrel | RIFT-related | double psi | Molydop_binding |
| P09152 | DB04315 | 3ir6 | GDP | A | 1248 | e3ir6A3 | Rossmann-like | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Formate dehydrogenase/DMSO reductase, domains 2 and 3 | Molybdopterin |