| L | AAA_lid_RFC1 | e7sfuL1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AAA_lid_RFC1 | ECOD (v294.1) |
| I | AAA_lid_RFC1 | e7sfuI1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AAA_lid_RFC1 | ECOD (v294.1) |
| F | AAA_lid_RFC1 | e7sfuF1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AAA_lid_RFC1 | ECOD (v294.1) |
| C | Fer2_4 | e7sfuC1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Fer2_4 | ECOD (v294.1) |
| J | AAA_lid_RFC1 | e7sfuJ1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AAA_lid_RFC1 | ECOD (v294.1) |
| G | AAA_lid_RFC1 | e7sfuG2 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AAA_lid_RFC1 | ECOD (v294.1) |
| D | AAA_lid_RFC1 | e7sfuD1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: AAA_lid_RFC1 | ECOD (v294.1) |
| A | Fer2_4 | e7sfuA2 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Fer2_4 | ECOD (v294.1) |