Transcription Initiation Factor IIA

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** A protein complex that is required for RNA polymerase II-dependent transcription of DNA. This complex is composed of transcription initiation factor IIA subunits 1 and 2 and is involved in the stabilization of the larger preinitiation complex.

**Synonyms:** - General Transcription Factor IIA - TFIIA - Transcription Factor IIA