| Domain | Name | Category | Type |
| IPR004871 | Cleavage/polyadenylation specificity factor, A subunit, C-terminal | Domain | Domain |
| IPR015943 | WD40/YVTN repeat-like-containing domain superfamily | Family | Homologous superfamily |
| IPR018846 | Cleavage/polyadenylation specificity factor, A subunit, N-terminal | Domain | Domain |
| IPR036322 | WD40-repeat-containing domain superfamily | Family | Homologous superfamily |