| A | Beta-lactamase | e6sm4A1 | A: beta barrels | X: Tail specific protease helical domain | H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | F: Beta-lactamase | ECOD (v294.2) |
| B | Beta-lactamase | e6sm4B1 | A: beta barrels | X: Tail specific protease helical domain | H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | F: Beta-lactamase | ECOD (v294.2) |