the method for removal of histone h 1 from chromatin by treatment with ion-exchange resin ag 50 wx 2 in the presence of 100 mm nacl and 50 mm phosphate buffer ( thoma and koller , 1977 , cell , 12 , 101-107 ) results in production not only of h1-depleted chromatin but also free dna .
C0007634
cell
C0008546
chromatin