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Artificial transcription factor
An artificial transcription factor is an example of a chimeral protein, designed to target and modulate gene transcription.[1]
They are generally composed of a DNA-binding domain (specific to a certain sequence) coupled to a modulatory domain (which acts upon other transcription factors) in order to alter the expression of a particular gene. It is also possible to downregulate expression of a gene by targeting the 5' untranslated region with a DNA-binding domain that lacks a regulatory domain; this will reduce transcription simply by blocking RNA polymerase progression along the DNA template.
References
- ^ Gommans W, Haisma H, Rots M (2005). "Engineering zinc finger protein transcription factors: the therapeutic relevance of switching endogenous gene expression on or off at command". J. Mol. Biol. 354 (3): 507-19. PMID 16253273.
See also
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Artificial_transcription_factor". A list of authors is available in Wikipedia.
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