a comparison of the dnase i digestion products of the 32p-5'-end-labeled pachytene nucleosome core particles ( containing histones h2a , th2a , x2 , h2b , th2b , h3 , and h4 ) and liver nucleosome core particles ( containing somatic histones h2a , h2b , h3 , and h4 ) revealed that the cleavage sites that are 30 , 40 , and 110 nucleotides away from the 5'-end are significantly more accessible in the pachytene core particles than in the liver core particles .
C0086411
h2b
C1518457
core particles