title: The crystal structure of the nucleosome core particle by contrast variation.
mesh_terms: D000818:Animals; D003461:Crystallography / Q000379:methods; D004247:DNA / Q000032:analysis; D005583:Fourier Analysis; D008433:Mathematics; D009502:Neutrons; D009698:Nucleoproteins / Q000032:analysis; D009707:Nucleosomes / Q000648:ultrastructure*; D012542:Scattering, Radiation
chemical_list: D009698:Nucleoproteins; D009707:Nucleosomes; D004247:DNA