| Domain | Name | Category | Type |
| IPR000738 | WHEP-TRS domain | Domain | Domain |
| IPR001412 | Aminoacyl-tRNA synthetase, class I, conserved site | Site | Conserved site |
| IPR004046 | Glutathione S-transferase, C-terminal | Domain | Domain |
| IPR009068 | S15/NS1, RNA-binding | Family | Homologous superfamily |
| IPR009080 | Aminoacyl-tRNA synthetase, class Ia, anticodon-binding | Family | Homologous superfamily |
| IPR010987 | Glutathione S-transferase, C-terminal-like | Domain | Domain |
| IPR014729 | Rossmann-like alpha/beta/alpha sandwich fold | Family | Homologous superfamily |
| IPR014758 | Methionyl-tRNA synthetase | Family | Family |
| IPR015413 | Methionyl/Leucyl tRNA synthetase | Domain | Domain |
| IPR023458 | Methionine-tRNA ligase, type 1 | Family | Family |
| IPR029038 | Methionyl-tRNA synthetase, Zn-domain | Family | Homologous superfamily |
| IPR033911 | Methioninyl-tRNA synthetase core domain | Domain | Domain |
| IPR036249 | Thioredoxin-like superfamily | Family | Homologous superfamily |
| IPR036282 | Glutathione S-transferase, C-terminal domain superfamily | Family | Homologous superfamily |
| IPR041598 | Methionine--tRNA ligase, N-terminal | Domain | Domain |
| IPR041872 | Methionyl-tRNA synthetase, anticodon-binding domain | Domain | Domain |