| E | SBP_bac_5 | e4x20E1 | A: alpha bundles | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (develop294) |
| D | SBP_bac_5 | e4x20D1 | A: alpha bundles | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (develop294) |
| B | SBP_bac_5 | e4x20B1 | A: alpha bundles | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (develop294) |
| C | SBP_bac_5 | e4x20C1 | A: alpha bundles | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (develop294) |
| A | SBP_bac_5 | e4x20A1 | A: alpha bundles | X: Alpha-beta plaits | H: Protease propeptides/inhibitors | T: Protease propeptides/inhibitors | F: SBP_bac_5 | ECOD (develop294) |