| Domain | Name | Category | Type |
| IPR001412 | Aminoacyl-tRNA synthetase, class I, conserved site | Site | Conserved site |
| IPR002300 | Aminoacyl-tRNA synthetase, class Ia | Domain | Domain |
| IPR004493 | Leucyl-tRNA synthetase, class Ia, archaeal/eukaryotic cytosolic | Family | Family |
| IPR009008 | Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain | Family | Homologous superfamily |
| IPR009080 | Aminoacyl-tRNA synthetase, class Ia, anticodon-binding | Family | Homologous superfamily |
| IPR013155 | Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase, anticodon-binding | Domain | Domain |