Active chromatin sequence
Appearance
An active chromatin sequence (ACS) is a region of DNA in a eukaryotic chromosome in which histone modifications such as acetylation lead to exposure of the DNA sequence thus allowing binding of transcription factors and transcription to take place. ACSs may occur in non-expressed gene regions which are assumed to be "poised" for transcription.
See also
References
- "Genome-wide identification of DNaseI hypersensitive sites using active chromatin sequence libraries". Proc. Natl. Acad. Sci. U.S.A. 101 (13): 4537โ42. March 2004. doi:10.1073/pnas.0400678101. PMC 384782. PMID 15070753.
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