| H | Secretin_N | e7nl4H1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| G | Secretin_N | e7nl4G1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| F | Secretin_N | e7nl4F1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| E | Secretin_N | e7nl4E1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| D | Secretin_N | e7nl4D1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| C | Secretin_N | e7nl4C1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| B | Secretin_N | e7nl4B1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |
| A | Secretin_N | e7nl4A1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Secretin_N | ECOD (v294.1) |