( poirier , g. g. , de murcia , g. , jongstra-bilen , j. , niedergang , c. , and mandel , p. ( 1982 ) proc . natl . acad . sci . u.s.a. 79 , 3423-3427 ) that poly ( adp-ribosyl ) ation of pancreatic nucleosomes causes relaxation of the chromatin superstructure through h1 modification .
C0028623
nucleosomes
C0008546
chromatin