Blocking by histones of accessibility to DNA in chromatin: addition of histones.
D000818:Animals; D001120:Arginine / Q000494:pharmacology; D002417:Cattle; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000187:drug effects*; D002843:Chromatin / Q000378:metabolism*; D004247:DNA / Q000378:metabolism*; D003851:Deoxyribonucleases / Q000378:metabolism; D006657:Histones / Q000494:pharmacology*; D008239:Lysine / Q000494:pharmacology; D013950:Thymus Gland / Q000166:cytology / Q000187:drug effects
D002843:Chromatin; D006657:Histones; D004247:DNA; D001120:Arginine; D003851:Deoxyribonucleases; D008239:Lysine