Corepressor Notes: Definitions & Explanations PDF | Download eBooks
Study Corepressor lecture notes PDF with biology definitions and explanation to study What is Corepressor?. Study corepressor explanation with biology terms to review biology course for online degree programs.
Corepressor Definition:
Corepressor is a small molecule that cooperates with a repressor protein to switch an operon off.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Corepressor Notes:
A corepressor is a small molecule or a protein that inhibits the expression of genes with the help of the repressor. In prokaryotes, corepressors are small molecules whereas in eukaryotes, corepressors are proteins. A corepressor does not directly bind to DNA, but instead indirectly regulates gene expression by binding to repressors. A corepressor downregulates the expression of genes by binding to and activating a repressor transcription factor. The repressor in turn binds to a gene's operator sequence thereby blocking transcription of that gene.
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