| Domain | Name | Category | Type |
| IPR000504 | RNA recognition motif domain | Domain | Domain |
| IPR010912 | Spen paralogue/orthologue C-terminal, metazoa | Domain | Domain |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Family | Homologous superfamily |
| IPR012921 | Spen paralogue and orthologue SPOC, C-terminal | Domain | Domain |
| IPR016194 | SPOC-like, C-terminal domain superfamily | Family | Homologous superfamily |
| IPR034172 | SHARP, RNA recognition motif 1 | Domain | Domain |
| IPR034173 | SHARP, RNA recognition motif 2 | Domain | Domain |
| IPR034174 | SHARP, RNA recognition motif 3 | Domain | Domain |
| IPR034175 | SHARP, RNA recognition motif 4 | Domain | Domain |
| IPR035979 | RNA-binding domain superfamily | Family | Homologous superfamily |