Transcription elements and factors of RNA polymerase B promoters of higher eukaryotes - PubMed (original) (raw)
Review
Transcription elements and factors of RNA polymerase B promoters of higher eukaryotes
B Wasylyk. CRC Crit Rev Biochem. 1988.
Abstract
The promoter for eukaryotic genes transcribed by RNA polymerase B can be divided into the TATA box (located at -30) and startsite (+1), the upstream element (situated between -40 and about -110), and the enhancer (no fixed position relative to the startsite). Trans-acting factors, which bind to these elements, have been identified and at least partially purified. The role of the TATA box is to bind factors which focus the transcription machinery to initiate at the startsite. The upstream element and the enhancer somehow modulate this interaction, possibly through direct protein-protein interactions. Another class of transcription factors, typified by viral proteins such as the adenovirus EIA products, do not appear to require binding to a particular DNA sequence to regulate transcription. The latest findings in these various subjects are discussed.
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