title: Superhelical DNA in yeast chromosomes.
mesh_terms: D002455:Cell Division; D002875:Chromosomes / Q000648:ultrastructure*; D004247:DNA; D006657:Histones; D009690:Nucleic Acid Conformation; D012441:Saccharomyces cerevisiae / Q000648:ultrastructure*
chemical_list: D006657:Histones; D004247:DNA