| Domain | Name | Category | Type |
| IPR004405 | Translation release factor pelota | Family | Family |
| IPR005140 | eRF1 domain 1/Pelota-like | Domain | Domain |
| IPR005141 | eRF1 domain 2 | Domain | Domain |
| IPR005142 | eRF1 domain 3 | Domain | Domain |
| IPR029064 | 50S ribosomal protein L30e-like | Family | Homologous superfamily |
| IPR038069 | Pelota/DOM34, N-terminal domain | Family | Homologous superfamily |
| IPR042226 | eRF1, domain 2 superfamily | Family | Homologous superfamily |