| C | Iso_dh | e6nxmC1 | 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: Iso_dh | ECOD (v294.2) |
| B | Iso_dh | e6nxmB1 | 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: Iso_dh | ECOD (v294.2) |