| D | Fer4+Fer4_7 | e7am0D1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Fer4+Fer4_7 | ECOD (v294.1) |
| C | Fer4+Fer4_7 | e7am0C1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Fer4+Fer4_7 | ECOD (v294.1) |
| B | Fer4+Fer4_7 | e7am0B1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Fer4+Fer4_7 | ECOD (v294.1) |
| A | Fer4+Fer4_7 | e7am0A1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Fer4+Fer4_7 | ECOD (v294.1) |