Polymerase targets
| Polymerase | genes |
|---|---|
| PolI | 18S, 5.8S, and 25S rRNAs |
| PolII | all nuclear protein coding genes |
| all snoRNAs except for snr52 | |
| U1, U2, U4, U5 spliceosomal RNAs | |
| PolIII | all nuclear tRNAs [1] |
| snr52 snoRNA [1] | |
| U6 spliceosomal RNA [1] | |
| SCR1 non-coding RNA [1] | |
| RPR1 non-coding RNA [1] | |
| mitochondrial polymerase | all genes encoded by the mitochondrial chromosome |