| J | MMS1_N | e5lg3J1 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| I | MMS1_N | e5lg3I1 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| H | MMS1_N | e5lg3H1 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| G | MMS1_N | e5lg3G1 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| F | MMS1_N | e5lg3F1 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| E | MMS1_N | e5lg3E1 | A: a/b three-layered sandwiches | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: MMS1_N | ECOD (v294.1) |
| D | Fer4, Fer4_7, Fer4_10 | e5lg3D1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: Aha1/BPI domain-like | F: Fer4, Fer4_7, Fer4_10 | ECOD (v294.1) |
| C | SPRY | e5lg3C1 | A: a/b three-layered sandwiches | X: Type II ABC importer transmembrane domain fold | H: Type II ABC importer transmembrane domain fold | T: Type II ABC importer transmembrane domain fold | F: SPRY | ECOD (v294.1) |
| B | | e5lg3B1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: | ECOD (v294.1) |
| A | Fer4+Fer4_7 | e5lg3A1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Fer4+Fer4_7 | ECOD (v294.1) |