Studies on histones. 7. Preparative methods for histone fractions from calf thymus

Abstract

Previous work from this Laboratory (Johns, These three groups were characterized by their total and N-terminal amino acid analyses and were designated: lysine-rich histones, f 1; slightly lysine-rich histones, f2; and arginine-rich histones, f3. A method was also given for the extraction of fraction f3 directly from the tissue by using a mixture of ethanol and hydrochloric acid.