title: Structural transitions in DNAs and nucleohistones studied by I.R. spectroscopy.
mesh_terms: D000818:Animals; D002417:Cattle; D004247:DNA / Q000032:analysis*; D006657:Histones / Q000032:analysis*; D066298:In Vitro Techniques; D008297:Male; D009690:Nucleic Acid Conformation; D011089:Polydeoxyribonucleotides / Q000032:analysis; D012474:Salmon; D013055:Spectrophotometry, Infrared / Q000379:methods; D013094:Spermatozoa / Q000032:analysis; D013950:Thymus Gland / Q000032:analysis; D014961:X-Ray Diffraction
chemical_list: D006657:Histones; D011089:Polydeoxyribonucleotides; C016681:poly(dG).poly(dC); D004247:DNA