Activator: Difference between revisions

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== Activators mechanisms ==
== Activators mechanisms ==


They work synergistically&nbsp;as it &nbsp;promotes binding of an additional activator. They bound to an enhancer to facilitate either the recruitment of RNA polymerase II to the promoter region or its elongation .<ref name="null">http://www.ncbi.nlm.nih.gov/pubmed/22180087</ref>&nbsp;  
They work synergistically&nbsp;as it &nbsp;promotes binding of an additional activator. The binding of one activator on a UAS induces a binding of another. Together these two have a greater effect on enhancing transcription than just the total of both acting independently. They bind to an enhancer to facilitate either the recruitment of RNA polymerase II to the promoter region or its elongation .<ref name="null">http://www.ncbi.nlm.nih.gov/pubmed/22180087</ref>&nbsp;  


=== References  ===
=== References  ===


<references />transcriptional activators and mechanisms ([http://www.ncbi.nlm.nih.gov/pubmed/22180087 http://www.ncbi.nlm.nih.gov/pubmed/22180087])
<references />transcriptional activators and mechanisms ([http://www.ncbi.nlm.nih.gov/pubmed/22180087 http://www.ncbi.nlm.nih.gov/pubmed/22180087])

Revision as of 13:49, 23 October 2015

Activator domains are modular proteins that stimulate transcription via communicating with the transcription machinery "pre-initation complex" (PIC).[1]

Activators mechanisms

They work synergistically as it  promotes binding of an additional activator. The binding of one activator on a UAS induces a binding of another. Together these two have a greater effect on enhancing transcription than just the total of both acting independently. They bind to an enhancer to facilitate either the recruitment of RNA polymerase II to the promoter region or its elongation .[2] 

References

  1. Lodish, H. et al.,2007.Molecular Cell Biology.Sixth Edition.New york:W.H.Freeman &amp;amp;amp; Co Ltd.
  2. http://www.ncbi.nlm.nih.gov/pubmed/22180087

transcriptional activators and mechanisms (http://www.ncbi.nlm.nih.gov/pubmed/22180087)