title: DNA structure. Geometrical versatility.
mesh_terms: D002942:Circular Dichroism; D003460:Crystallization; D004247:DNA / Q000737:chemistry* / Q000378:metabolism; D006657:Histones / Q000378:metabolism; D006813:Humidity; D009690:Nucleic Acid Conformation / Q000187:drug effects; D009707:Nucleosomes / Q000737:chemistry / Q000235:genetics / Q000378:metabolism; D055095:Optics and Photonics; D012492:Salts / Q000494:pharmacology; D012996:Solutions
chemical_list: D006657:Histones; D009707:Nucleosomes; D012492:Salts; D012996:Solutions; D004247:DNA