| Domain | Name | Category | Type |
| IPR000690 | Matrin/U1-C, C2H2-type zinc finger | Domain | Domain |
| IPR003604 | Matrin/U1-C-like, C2H2-type zinc finger | Domain | Domain |
| IPR013085 | U1-C, C2H2-type zinc finger | Domain | Domain |
| IPR017340 | U1 small nuclear ribonucleoprotein C | Family | Family |
| IPR036236 | Zinc finger C2H2 superfamily | Family | Homologous superfamily |