| A | Fer4_7_1 | e7e5zA5 | A: a+b two layers | X: 4Fe-4S ferredoxin (From Topology) | H: 4Fe-4S ferredoxin (From Topology) | T: 4Fe-4S ferredoxin | F: Fer4_7_1 | ECOD (1.6) |
| A | Fer2_4 | e7e5zA4 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Fer2_4 | ECOD (1.6) |
| A | Molybdop_Fe4S4 | e7e5zA3 | A: a+b two layers | X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology) | H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology) | T: Formate dehydrogenase/DMSO reductase, domain 1 | F: Molybdop_Fe4S4 | ECOD (1.6) |
| A | Molybdopterin_2nd | e7e5zA2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology) | T: Formate dehydrogenase/DMSO reductase, domains 2 and 3 | F: Molybdopterin_2nd | ECOD (1.6) |
| A | Molybdopterin_1st_1 | e7e5zA1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology) | T: Formate dehydrogenase/DMSO reductase, domains 2 and 3 | F: Molybdopterin_1st_1 | ECOD (1.6) |
| B | NADH_4Fe-4S | e7e5zB2 | A: alpha bundles | X: Bromodomain-like | H: Nqo1C-terminal domain-like (From Topology) | T: Nqo1C-terminal domain-like | F: NADH_4Fe-4S | ECOD (1.6) |
| B | 2Fe-2S_thioredx_N | e7e5zB4 | A: alpha bundles | X: NQO2 helical bundle domain (From Topology) | H: NQO2 helical bundle domain (From Topology) | T: NQO2 helical bundle domain | F: 2Fe-2S_thioredx_N | ECOD (1.6) |
| B | SLBB | e7e5zB1 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Nqo1 middle domain-like | F: SLBB | ECOD (1.6) |
| B | 2Fe-2S_thioredx_C | e7e5zB5 | A: a+b three layers | X: Thioredoxin-like | H: Thioredoxin-like (From Topology) | T: Thioredoxin-like | F: 2Fe-2S_thioredx_C | ECOD (1.6) |
| B | Complex1_51K | e7e5zB3 | A: a/b three-layered sandwiches | X: Nqo1 FMN-binding domain-like (From Topology) | H: Nqo1 FMN-binding domain-like (From Topology) | T: Nqo1 FMN-binding domain-like | F: Complex1_51K | ECOD (1.6) |