| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Polr1a | — | AAA_lid_TRIP13_C, DUF2201_N, PFF1_TM, RNA_pol_3_Rpc31, RNA_pol_Rpb1_1, RNA_pol_Rpb1_2, RNA_pol_Rpb1_3, RNA_pol_Rpb1_4, RNA_pol_Rpb1_5 | — |
| Polr2a | — | RNA_pol_Rpb1_1, RNA_pol_Rpb1_2, RNA_pol_Rpb1_3, RNA_pol_Rpb1_4, RNA_pol_Rpb1_5, RNA_pol_Rpb1_6, RNA_pol_Rpb1_7, RNA_pol_Rpb1_R | — |
| Polr3a | — | RNA_pol_Rpb1_1, RNA_pol_Rpb1_2, RNA_pol_Rpb1_3, RNA_pol_Rpb1_4, RNA_pol_Rpb1_5 | — |