title: Proteolysis of sea-urchin nuclear histones during isolation.
mesh_terms: D000818:Animals; D005260:Female; D006657:Histones / Q000302:isolation & purification*; D010063:Ovum / Q000032:analysis*; D010447:Peptide Hydrolases; D012617:Sea Urchins / Q000032:analysis
chemical_list: D006657:Histones; D010447:Peptide Hydrolases