title: Electron spin resonance studies on the conformation and interactions of histories containing cysteine. Histones H3 from calf thymus and H4 from sea urchin sperm.
mesh_terms: D000818:Animals; D002417:Cattle; D003545:Cysteine; D004578:Electron Spin Resonance Spectroscopy; D006657:Histones; D008297:Male; D009994:Osmolar Concentration; D011487:Protein Conformation; D012617:Sea Urchins; D013094:Spermatozoa; D013113:Spin Labels; D013950:Thymus Gland
chemical_list: D006657:Histones; D013113:Spin Labels; D003545:Cysteine