| IPR008942 | ENTH/VHS | Homologous Superfamily |
| IPR000504 | RNA recognition motif domain | Domain |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Homologous Superfamily |
| IPR034370 | SCAF8, RNA recognition motif | Domain |
| IPR006569 | CID domain | Domain |
| IPR035979 | RNA-binding domain superfamily | Homologous Superfamily |
C [auth Y], D [auth Z] | IPR007081 | RNA polymerase Rpb1, domain 5 | Domain |
C [auth Y], D [auth Z] | IPR045867 | DNA-directed RNA polymerase, subunit beta-prime | Family |
C [auth Y], D [auth Z] | IPR007075 | RNA polymerase Rpb1, domain 6 | Domain |
C [auth Y], D [auth Z] | IPR000684 | RNA polymerase II, heptapeptide repeat, eukaryotic | Repeat |
C [auth Y], D [auth Z] | IPR007083 | RNA polymerase Rpb1, domain 4 | Domain |
C [auth Y], D [auth Z] | IPR044893 | RNA polymerase Rpb1, clamp domain superfamily | Homologous Superfamily |
C [auth Y], D [auth Z] | IPR006592 | RNA polymerase, N-terminal | Domain |
C [auth Y], D [auth Z] | IPR007066 | RNA polymerase Rpb1, domain 3 | Domain |
C [auth Y], D [auth Z] | IPR007073 | RNA polymerase Rpb1, domain 7 | Domain |
C [auth Y], D [auth Z] | IPR042102 | RNA polymerase Rpb1, domain 3 superfamily | Homologous Superfamily |
C [auth Y], D [auth Z] | IPR038593 | RNA polymerase Rpb1, domain 7 superfamily | Homologous Superfamily |
C [auth Y], D [auth Z] | IPR000722 | RNA polymerase, alpha subunit | Domain |
C [auth Y], D [auth Z] | IPR038120 | RNA polymerase Rpb1, funnel domain superfamily | Homologous Superfamily |
C [auth Y], D [auth Z] | IPR007080 | RNA polymerase Rpb1, domain 1 | Domain |