| Domain | Name | Category | Type |
| IPR000504 | RNA recognition motif domain | Domain | Domain |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Family | Homologous superfamily |
| IPR033101 | RNA-binding protein 45 | Family | Family |
| IPR034203 | RBM45, RNA recognition motif 1 | Domain | Domain |
| IPR034206 | RBM45, RNA recognition motif 2 | Domain | Domain |
| IPR034207 | RBM45, RNA recognition motif 3 | Domain | Domain |
| IPR034208 | RBM45, RNA recognition motif 4 | Domain | Domain |
| IPR035979 | RNA-binding domain superfamily | Family | Homologous superfamily |