rat liver chromatin core particles digested with clostripain yield a structurally well-defined nucleoprotein particle with an octameric core made up of fragmented histone species ( designated h'2a , h'2b , h ' 3 and h ' 4 , respectively ) after selective loss of a sequence segment located in the n-terminal region of each core histone .
C0008546
chromatin
C0028612
nucleoprotein