| Domain | Name | Category | Type |
| IPR000504 | RNA recognition motif domain | Domain | Domain |
| IPR011400 | Eukaryotic translation initiation factor 3 subunit B | Family | Family |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Family | Homologous superfamily |
| IPR013979 | Translation initiation factor, beta propellor-like domain | Domain | Domain |
| IPR015943 | WD40/YVTN repeat-like-containing domain superfamily | Family | Homologous superfamily |
| IPR034363 | eIF3B, RNA recognition motif | Domain | Domain |
| IPR035979 | RNA-binding domain superfamily | Family | Homologous superfamily |