phosphorylation of calf-thymus chromatin by pineal protein kinase results in an apparent decreased binding between the histones and dna in chromatin , as indicated by ( i ) an increase in actinomycin d-binding sites after phosphorylation and ( ii ) an increase in the template capacity of the calf-thymus chromatin after phosphorylation .
C0033640
protein kinase
C0031715
phosphorylation