| E | SBP_bac_5 | e4x1kE1 | A: a/b three-layered sandwiches | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (v294.1) |
| B | SBP_bac_5 | e4x1kB1 | A: a/b three-layered sandwiches | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (v294.1) |
| D | SBP_bac_5 | e4x1kD1 | A: a/b three-layered sandwiches | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (v294.1) |
| A | SBP_bac_5 | e4x1kA1 | A: a/b three-layered sandwiches | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (v294.1) |
| C | SBP_bac_5 | e4x1kC1 | A: a/b three-layered sandwiches | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (v294.1) |