furthermore , the extent of adp-ribosylation present on pancreatic histone h1 is shown to proportionally retard this protein 's electrophoretic mobility in all gel systems and to consist of a distinct series of at least 12 modification intermediates which can be evidenced , in nuclei or nucleosomes , and fully recovered along with histone h1 upon its selective extraction with 5 % perchloric acid .
C0007610
nuclei
C0019644
histone h1