Transcription initiation factor TFIID subunit 3 (TAF3)

Transcription factor TFIID is among the general factors required for accurate and regulated initiation by RNA polymerase II. TFIID is a multimeric protein complex that plays a central role in mediating promoter responses to various activators and repressors.

Required in complex with TBPL2 for the differentiation of myoblasts into myocytes. The complicated replaces TFIID at specific promoters at an early stage in the differentiation procedure.