Histones abound in the chromatin of all eukaryotic cells TABLE Some Molecular Characteristics of the histone Proteins Found in Calf Thymus* Histone Basic/Amino Acid Molecular Weight Total Amino Acid Residues H1 54 23.000 224 H2A 14 13960 H2B 1.7 13,774 125 H 1.8 15,273 H4 11.236 102 Note the small size of the histones; in addition, their predominantly basic amino aad constitution ensures that they will be positively charged in physiological conditions. Nonhistones proteins have diverse functionsNonhistones proteins have diverse functions Histones abound in the chromatin of all eukaryotic cells