Article
Electrostatic mechanism of nucleosomal array folding revealed by computer simulation.
Proceedings of the National Academy of Sciences of the United States of America - 7 Jun 2005
Sun Jian, Zhang Qing, Schlick Tamar
Abstract excerpt
Although numerous experiments indicate that the chromatin fiber displays salt-dependent conformations, the associated molecular mechanism remains unclear. Here, we apply an irregular Discrete Surface Charge Optimization (DiSCO) model of the nucleosome with all histone tails incorporated to describe by Monte Carlo simulations salt-dependent rearrangements of a nucleosomal array with 12 nucleosomes. The ensemble of...
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