| IPR012984 | PROCT domain | Domain |
| IPR012591 | PRO8NT domain | Domain |
| IPR019580 | Pre-mRNA-processing-splicing factor 8, U6-snRNA-binding | Domain |
| IPR027652 | Pre-mRNA-processing-splicing factor 8 | Family |
| IPR043172 | Prp8 RNase domain IV, palm region | Homologous Superfamily |
| IPR012592 | PROCN domain | Domain |
| IPR012337 | Ribonuclease H-like superfamily | Homologous Superfamily |
| IPR043173 | Prp8 RNase domain IV, fingers region | Homologous Superfamily |
| IPR021983 | PRP8 domain IV core | Domain |
| IPR019581 | Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding | Domain |
| IPR037518 | MPN domain | Domain |
| IPR019582 | RNA recognition motif, spliceosomal PrP8 | Domain |
| IPR042516 | Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding domain superfamily | Homologous Superfamily |
| IPR000555 | JAB1/MPN/MOV34 metalloenzyme domain | Domain |
| IPR012984 | PROCT domain | Domain |
| IPR012591 | PRO8NT domain | Domain |
| IPR019580 | Pre-mRNA-processing-splicing factor 8, U6-snRNA-binding | Domain |
| IPR027652 | Pre-mRNA-processing-splicing factor 8 | Family |
| IPR043172 | Prp8 RNase domain IV, palm region | Homologous Superfamily |
| IPR012592 | PROCN domain | Domain |
| IPR012337 | Ribonuclease H-like superfamily | Homologous Superfamily |
| IPR043173 | Prp8 RNase domain IV, fingers region | Homologous Superfamily |
| IPR021983 | PRP8 domain IV core | Domain |
| IPR019581 | Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding | Domain |
| IPR037518 | MPN domain | Domain |
| IPR019582 | RNA recognition motif, spliceosomal PrP8 | Domain |
| IPR042516 | Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding domain superfamily | Homologous Superfamily |
| IPR000555 | JAB1/MPN/MOV34 metalloenzyme domain | Domain |