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21 January 2022
  » pubmed » pmid16802969

 Article overview

Brownian dynamics simulation of directional sliding of histone octamers caused by DNA bending
Wei Li ; Shuo-Xing Dou ; Ping Xie ; Peng-Ye Wang ;
Date 30 Apr 2006
Journal Phys Rev E, 73 (5 Pt 1), 051909
AbstractChromatin-remodeling complexes such as SWI/SNF and RSC of yeast can perturb the structure of nucleosomes in an ATP-dependent manner. Experimental results prove that this chromatin remodeling process involves DNA bending. We simulate the effect of DNA bending, caused by chromatin-remodeling complexes, on directional sliding of histone octamers by Brownian dynamics simulation. The simulation results show that, after a DNA loop being generated at the side of a nucleosome, the histone octamer slides towards this DNA loop until the loop disappears. The DNA loop size is an important factor affecting the process of directional sliding of the histone octamer.
Source PubMed, pmid16802969
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