complex. This complex mediates the response to tran-scriptional activators as well as repressors. Other co-activators have also been identified. These include TFIIA, which stabilizes DNA-TBP binding, and factors that affect nucleosome structure, including histone ace-Facultad de Medicina Universidad de Chile tyltransferases and ATP-dependent chromatin remodel-ing complexes. Eukaryotic repressor...