| TFIIA | Transcription factor IIA |
|---|---|
| TFIIB | Transcription factor IIB |
| TFIID | Transcription factor IID |
| TFIIF | Transcription factor IIF |
| TFIIH | Transcription factor IIH |
| TFIIIA | Transcription Factor III A |
| TFIIIB | Transcription factor IIIB |
| TFIIIC | Transcription factor IIIC |