title: Conformational changes of DNA in chromatin and the nucleosome sub-unit.
mesh_terms: D002467:Cell Nucleus; D002843:Chromatin; D002942:Circular Dichroism; D004247:DNA; D008274:Magnesium; D009690:Nucleic Acid Conformation
chemical_list: D002843:Chromatin; D004247:DNA; D008274:Magnesium