Histone Tails Promote PARP1-Dependent Structural Rearrangements in Nucleosomes


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Abstract

PARP 1 alters the wrapping of nucleosomal DNA on the histone octamer, thereby modulating the accessibility of different genome sites to nuclear protein factors. Here, we show that non-structured histone tails are involved in the PARP1-induced structural rearrangements in nucleosomes, facilitate and stabilize them, but do not affect the enzymatic activity of PARP1.

About the authors

N. V. Maluchenko

Moscow State University

Author for correspondence.
Email: mal_nat@mail.ru
Russian Federation, Moscow, 119234

D. S. Sultanov

Fox Chase Cancer Center

Email: mal_nat@mail.ru
United States, Philadelphia

E. Yu. Kotova

Fox Chase Cancer Center

Email: mal_nat@mail.ru
United States, Philadelphia

M. P. Kirpichnikov

Moscow State University; Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: mal_nat@mail.ru
Russian Federation, Moscow, 119234; Moscow, 117997

V. M. Studitsky

Moscow State University; Fox Chase Cancer Center

Email: mal_nat@mail.ru
Russian Federation, Moscow, 119234; Philadelphia

A. V. Feofanov

Moscow State University; Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: mal_nat@mail.ru
Russian Federation, Moscow, 119234; Moscow, 117997

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