| Domain | Name | Category | Type |
| IPR000504 | RNA recognition motif domain | Domain | Domain |
| IPR002058 | PAP/25A-associated | Domain | Domain |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Family | Homologous superfamily |
| IPR034388 | Star-PAP, RNA recognition motif | Domain | Domain |
| IPR035979 | RNA-binding domain superfamily | Family | Homologous superfamily |
| IPR036236 | Zinc finger C2H2 superfamily | Family | Homologous superfamily |
| IPR043519 | Nucleotidyltransferase superfamily | Family | Homologous superfamily |