Promoter

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A promoter site is a region of DNA that RNA polymerase binds to in order to carry out transcription. It is located upstream of the target sequence [1]. A promoter sequence determines where transcription of a gene will begin and also dictates the efficiency with which transcription takes place - cells use the degree of efficiency regulate the amount of a particular protein produced.

References

  1. Biochemistry, 6th Edition, Jeremy M. Berg, John L. Tymoczko, Lubert Stryer, W. H. Freeman and Company, New York, 2008
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