The histones.
D000818:Animals; D002843:Chromatin / Q000378:metabolism / Q000648:ultrastructure; D004247:DNA / Q000378:metabolism; D014644:Genetic Variation; D006657:Histones / Q000378:metabolism*; D046911:Macromolecular Substances; D009707:Nucleosomes / Q000378:metabolism / Q000648:ultrastructure; D011487:Protein Conformation; D014158:Transcription, Genetic
D002843:Chromatin; D006657:Histones; D046911:Macromolecular Substances; D009707:Nucleosomes; D004247:DNA