| IPR005225 | Small GTP-binding domain | Domain |
| IPR000178 | Translation initiation factor IF-2, bacterial-like | Family |
| IPR000795 | Translational (tr)-type GTP-binding domain | Domain |
| IPR053905 | Elongation factor G-like, domain II | Domain |
| IPR004161 | Translation elongation factor EFTu-like, domain 2 | Domain |
| IPR006847 | Translation initiation factor IF-2, N-terminal | Domain |
| IPR044145 | Translation initiation factor IF-2, domain II | Domain |
| IPR009000 | Translation protein, beta-barrel domain superfamily | Homologous Superfamily |
| IPR015760 | Translation initiation factor IF- 2 | Family |
| IPR036925 | Translation initiation factor IF-2, domain 3 superfamily | Homologous Superfamily |
| IPR023115 | Translation initiation factor IF- 2, domain 3 | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |