| IPR002999 | Tudor domain | Domain |
| IPR047379 | Tudor domain-containing protein 3, Tudor domain | Domain |
| IPR013894 | RecQ mediated genome instability protein 1, OB-fold domain | Domain |
| IPR042470 | RecQ mediated genome instability protein, N-terminal OB-fold domain superfamily | Homologous Superfamily |
| IPR041915 | Tudor domain-containing protein 3, UBA domain | Domain |
| IPR009060 | UBA-like superfamily | Homologous Superfamily |
| IPR015940 | Ubiquitin-associated domain | Domain |
| IPR007081 | RNA polymerase Rpb1, domain 5 | Domain |
| IPR045867 | DNA-directed RNA polymerase, subunit beta-prime | Family |
| IPR007075 | RNA polymerase Rpb1, domain 6 | Domain |
| IPR000684 | RNA polymerase II, heptapeptide repeat, eukaryotic | Repeat |
| IPR007083 | RNA polymerase Rpb1, domain 4 | Domain |
| IPR044893 | RNA polymerase Rpb1, clamp domain superfamily | Homologous Superfamily |
| IPR006592 | RNA polymerase, N-terminal | Domain |
| IPR007066 | RNA polymerase Rpb1, domain 3 | Domain |
| IPR007073 | RNA polymerase Rpb1, domain 7 | Domain |
| IPR042102 | RNA polymerase Rpb1, domain 3 superfamily | Homologous Superfamily |
| IPR038593 | RNA polymerase Rpb1, domain 7 superfamily | Homologous Superfamily |
| IPR000722 | RNA polymerase, alpha subunit | Domain |
| IPR038120 | RNA polymerase Rpb1, funnel domain superfamily | Homologous Superfamily |
| IPR007080 | RNA polymerase Rpb1, domain 1 | Domain |