DNA recognition and nucleosome organization - PubMed (original) (raw)

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DNA recognition and nucleosome organization

A Travers et al. Biopolymers. 1997.

Abstract

The affinity of a DNA sequence for the histone octamer in a core nucleosome depends on the intrinsic flexibility of the DNA. This parameter can be affected both by the sequence-dependent conformational preferences of individual base steps and by the nature and location of the exocyclic groups of the DNA bases. By adopting highly preferred conformations particular types of base step can influence the rotational positioning of the DNA on the surface of the histone octamer. The asymmetry of the next higher order of chromatin structure is determined in part by the asymmetric binding of the globular domain of histone H5 to the core nucleosome.

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