| B | Peptidase_C25_C | e6i9aB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Peptidase_C25_C | ECOD (1.6) |
| B | Peptidase_C25_cat | e6i9aB2 | A: a/b three-layered sandwiches | X: Caspase-like (From Topology) | H: Caspase-like (From Topology) | T: Caspase-like | F: Peptidase_C25_cat | ECOD (1.6) |
| B | Peptidase_C25_N | e6i9aB3 | A: a/b three-layered sandwiches | X: Gingipain R extra N-terminal alpha/beta domain (From Topology) | H: Gingipain R extra N-terminal alpha/beta domain (From Topology) | T: Gingipain R extra N-terminal alpha/beta domain | F: Peptidase_C25_N | ECOD (1.6) |
| A | Peptidase_C25_C | e6i9aA3 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Peptidase_C25_C | ECOD (1.6) |
| A | Peptidase_C25_cat | e6i9aA4 | A: a/b three-layered sandwiches | X: Caspase-like (From Topology) | H: Caspase-like (From Topology) | T: Caspase-like | F: Peptidase_C25_cat | ECOD (1.6) |
| A | Peptidase_C25_N | e6i9aA1 | A: a/b three-layered sandwiches | X: Gingipain R extra N-terminal alpha/beta domain (From Topology) | H: Gingipain R extra N-terminal alpha/beta domain (From Topology) | T: Gingipain R extra N-terminal alpha/beta domain | F: Peptidase_C25_N | ECOD (1.6) |