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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-475</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>МОЛЕКУЛЯРНОЕ МОДЕЛИРОВАНИЕ, РАСЧЕТЫ ДИМЕРА, КОЛЕБАТЕЛЬНЫЕ СПЕКТРЫ И ИССЛЕДОВАНИЕ МОЛЕКУЛЯРНОГО ДОКИНГА 5-ХЛОРУРАЦИЛА</article-title><trans-title-group xml:lang="en"><trans-title>MOLECULAR MODELLING, DIMER CALCULATIONS, VIBRATIONAL SPECTRA, AND MOLECULAR DOCKING STUDIES OF 5-CHLOROURACIL</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Akalin</surname><given-names>E.</given-names></name><name name-style="western" xml:lang="en"><surname>Akalin</surname><given-names>E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>34134, Стамбул</p></bio><bio xml:lang="en"><p>Department of Physics, Faculty of Science</p><p>34134, Istanbul</p></bio><email xlink:type="simple">eakalin@istanbul.edu.tr</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Celik</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Celik</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>34320, Стамбул</p></bio><bio xml:lang="en"><p>Electrical-Electronics Engineering Department, Engineering Faculty</p><p>34320, Avcilar, Istanbul</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Akyuz</surname><given-names>S.</given-names></name><name name-style="western" xml:lang="en"><surname>Akyuz</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бакиркой 34156, Стамбул</p></bio><bio xml:lang="en"><p>Physics Department, Science and Letters Faculty</p><p>Atakoy Campus, Bakirkoy 34156, Istanbul</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Стамбульский университет, Везнеджимер</institution></aff><aff xml:lang="en"><institution>Istanbul University, Vezneciler</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Стамбульский университет, Джерахпаша</institution></aff><aff xml:lang="en"><institution>Istanbul University, Cerrahpasa</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Стамбульский университет культуры, Атакой</institution></aff><aff xml:lang="en"><institution>Istanbul Kultur University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>6</issue><fpage>858</fpage><lpage>867</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Akalin E., Celik S., Akyuz S., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Akalin E., Celik S., Akyuz S.</copyright-holder><copyright-holder xml:lang="en">Akalin E., Celik S., Akyuz S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://zhps.ejournal.by/jour/article/view/475">https://zhps.ejournal.by/jour/article/view/475</self-uri><abstract><p>Методом теории функционала плотности (DFT) в приближении B3LYP/6-31++ G(d, p) и wb97xd/6-31++ G(д, р) осуществлены расчеты структуры и колебаний 5-хлорурацила (5-ClU) и его наиболее стабильного димера. Колебательные расчеты мономерной и димерной форм проводились с использованием приближений гармонического и ангармонического осцилляторов с одинаковыми базисными наборами. Полный колебательный анализ молекулы выполнен путем объединения данных комбинационного рассеяния, ИК-Фурье-спектроскопии и квантово-химических расчетов. Проведен анализ докинга ДНК с молекулой 5-ClU. Молекула 5-ClU связывается с активным центром ДНК посредством водородных связей. Показано, что закрепленный лиганд образует стабильный комплекс с ДНК со сродством связывания -5.3 ккал/моль.</p></abstract><trans-abstract xml:lang="en"/><kwd-group xml:lang="ru"><kwd>5-хлорурацил</kwd><kwd>димерная структура</kwd><kwd>молекулярная стыковка</kwd><kwd>теория функционала плотности</kwd><kwd>колебательная спектроскопия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>5-chlorouracil</kwd><kwd>dimeric structure</kwd><kwd>molecular docking</kwd><kwd>density functional theory</kwd><kwd>vibrational spectroscopy</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">This work is supported by the Scientific Research Projects Coordination Unit of Istanbul University (Project Number BEK-2017-26330).</funding-statement><funding-statement xml:lang="en">This work is supported by the Scientific Research Projects Coordination Unit of Istanbul University (Project Number BEK-2017-26330).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">S. 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