| Domain | Name | Category | Type |
| IPR009000 | Translation protein, beta-barrel domain superfamily | Family | Homologous superfamily |
| IPR012947 | Threonyl/alanyl tRNA synthetase, SAD | Domain | Domain |
| IPR018163 | Threonyl/alanyl tRNA synthetase, class II-like, putative editing domain superfamily | Family | Homologous superfamily |
| IPR018165 | Alanyl-tRNA synthetase, class IIc, core domain | Domain | Domain |