| E | | e4x20E1 | A: Alpha-beta plaits | X: Protease propeptides/inhibitors | H: Protease propeptides/inhibitors | T: SBP_bac_5 | F: | ECOD (20:10:01) |
| D | | e4x20D1 | A: Alpha-beta plaits | X: Protease propeptides/inhibitors | H: Protease propeptides/inhibitors | T: SBP_bac_5 | F: | ECOD (20:10:01) |
| B | | e4x20B1 | A: Alpha-beta plaits | X: Protease propeptides/inhibitors | H: Protease propeptides/inhibitors | T: SBP_bac_5 | F: | ECOD (20:10:01) |
| A | | e4x20A1 | A: Alpha-beta plaits | X: Protease propeptides/inhibitors | H: Protease propeptides/inhibitors | T: SBP_bac_5 | F: | ECOD (20:10:01) |
| C | | e4x20C1 | A: Alpha-beta plaits | X: Protease propeptides/inhibitors | H: Protease propeptides/inhibitors | T: SBP_bac_5 | F: | ECOD (20:10:01) |