| Domain | Name | Category | Type |
| IPR000795 | Translational (tr)-type GTP-binding domain | Domain | Domain |
| IPR004161 | Translation elongation factor EFTu-like, domain 2 | Domain | Domain |
| IPR005225 | Small GTP-binding protein domain | Domain | Domain |
| IPR009000 | Translation protein, beta-barrel domain superfamily | Family | Homologous superfamily |
| IPR015760 | Translation initiation factor IF- 2 | Family | Family |
| IPR023115 | Translation initiation factor IF- 2, domain 3 | Domain | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Family | Homologous superfamily |
| IPR036925 | Translation initiation factor IF-2, domain 3 superfamily | Family | Homologous superfamily |