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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Доклады Академии наук</journal-id><journal-title-group><journal-title xml:lang="en">Доклады Академии наук</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Академии наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-5652</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">18603</article-id><article-id pub-id-type="doi">10.31857/S0869-56524893318-320</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Biochemistry, biophysics, molecular biology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Биохимия, биофизика, молекулярная биология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Histone tails promote PARP1-dependent structural rearrangements in nucleosomes</article-title><trans-title-group xml:lang="ru"><trans-title>Концевые участки гистонов способствуют PARP1-зависимым структурным перестройкам в нуклеосомах</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Maluchenko</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Малюченко</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mal_nat@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sultanov</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Султанов</surname><given-names>Д. С.</given-names></name></name-alternatives><address><country country="US">United States</country></address><email>mal_nat@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kotova</surname><given-names>E. Yu.</given-names></name><name xml:lang="ru"><surname>Котова</surname><given-names>Е. Ю.</given-names></name></name-alternatives><address><country country="US">United States</country></address><email>mal_nat@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kirpichnikov</surname><given-names>M. P.</given-names></name><name xml:lang="ru"><surname>Кирпичников</surname><given-names>М. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Academician of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>Академик РАН</p></bio><email>mal_nat@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Studitsky</surname><given-names>V. M.</given-names></name><name xml:lang="ru"><surname>Студитский</surname><given-names>В. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mal_nat@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Feofanov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Феофанов</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mal_nat@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">"Московский государственный университет имени М.В. Ломоносова"</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Fox Chase Cancer Center</institution></aff><aff><institution xml:lang="ru">Онкологический центр Фокс Чейз</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Shemyakin &amp; Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биоорганической химии имени академиков М.М. Шемякина и Ю.А. Овчинникова Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-11-29" publication-format="electronic"><day>29</day><month>11</month><year>2019</year></pub-date><volume>489</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>318</fpage><lpage>320</lpage><history><date date-type="received" iso-8601-date="2019-12-09"><day>09</day><month>12</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-12-09"><day>09</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Russian academy of sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Российская академия наук</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Russian academy of sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-5652/article/view/18603">https://journals.eco-vector.com/0869-5652/article/view/18603</self-uri><abstract xml:lang="en"><p>PARP1 alters the wrapping of nucleosomal DNA on the surface of the histone octamer, thereby modulating the accessibility of different genome sites to nuclear protein factors. Here we show that non-structured histone tails participate in the PARP1-induced structural rearrangements in nucleosomes, facilitate and stabilize them, but do not affect the enzymatic activity of PARP1.</p></abstract><trans-abstract xml:lang="ru"><p>PARP1 изменяет укладку нуклеосомной ДНК на октамере гистонов, модулируя доступность различных участков генома для ядерных белковых факторов. Мы показали, что неструктурированные концевые участки гистонов участвуют в PARP1-индуцированных структурных перестройках нуклеосом, облегчают и стабилизируют их, но не влияют на ферментативную активность PARP1.</p></trans-abstract><kwd-group xml:lang="en"><kwd>histone tails</kwd><kwd>PARP1</kwd><kwd>nucleosome</kwd><kwd>spFRET</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>N концы гистонов</kwd><kwd>PARP1</kwd><kwd>нуклеосома</kwd><kwd>spFRET</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was supported by the grant No. 17-54-33045 of the Russian Foundation for Basic Research.</funding-statement><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке гранта 17-54-33045 Российского фонда фундаментальных исследований.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Wang Y., LuoW., Wang Y. // DNA Repair (Amsterdam). 2019. V. 8. 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