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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2019-63-4-445-456</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-632</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>ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Виртуальный скрининг и идентификация потенциальных ингибиторов ВИЧ-1 на основе кросс-реактивного нейтрализующего антитела N6</article-title><trans-title-group xml:lang="en"><trans-title>Virtual screening and identification of potential HIV-1 inhibitors based on the cross-reactive neutralizing antibody N6</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>Андрианов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Andrianov</surname><given-names>Alexander M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрианов Александр Михайлович – д-р хим. наук, гл. науч. сотрудник</p><p>ул. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Andrianov Alexander Mikhailovich – D. Sc. (Chemistry), Chief researcher</p><p>5/2, kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">andrianov@iboch.by</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>Николаев</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaev</surname><given-names>Gregory I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николаев Григорий Игоревич – аспирант</p><p>Сурганова, 6, 220012, Минск</p></bio><bio xml:lang="en"><p>Nikolaev Grigory Igorevich – Postgraduate student</p><p>6, Surganov Str., 220012, Minsk</p></bio><email xlink:type="simple">reshaemvsem@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корноушенко</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kornoushenko</surname><given-names>Yuri V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Корноушенко Юрий Валерьевич – канд. хим. наук, ст. науч. сотрудник</p><p>ул. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Kornoushenko Yuri Valerievich – Ph. D. (Chemistry), Senior researcher</p><p>5/2, kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">yurakorval@gmail.com</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>Хуанг</surname><given-names>Дж.</given-names></name><name name-style="western" xml:lang="en"><surname>Huang</surname><given-names>Jinghe</given-names></name></name-alternatives><bio xml:lang="ru"><p>Джингхе Хуанг – профессор</p><p>Shanghai</p></bio><bio xml:lang="en"><p>Jinghe Нuang – Professor</p><p>Shanghai</p></bio><email xlink:type="simple">Jinghehuang@fudan.edu.cn</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дзян</surname><given-names>Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Jiang</surname><given-names>Shibo</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шибо Дзян – профессор</p><p>Shanghai</p></bio><bio xml:lang="en"><p>Shibo Jiang – Professor</p><p>Shanghai</p></bio><email xlink:type="simple">shibojiang@fudan.edu.cn</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тузиков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tuzikov</surname><given-names>Alexander V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тузиков Александр Васильевич – член-корреспондент, д-р физ.-мат. наук, профессор, генеральный директор</p><p>Сурганова, 6, 220012, Минск</p></bio><bio xml:lang="en"><p>Tuzikov Alexander Vasilievich – Corresponding Member, D. Sc. (Physics and Mathematics), Professor, General Director</p><p>6, Surganov Str., 220012, Minsk</p></bio><email xlink:type="simple">tuzikov@newman.bas-net.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биоорганической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Объединенный институт проблем информатики Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>United Institute of Informatics Problems of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University</institution></aff><aff xml:lang="en"><institution>Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>13</day><month>09</month><year>2019</year></pub-date><volume>63</volume><issue>4</issue><fpage>445</fpage><lpage>456</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Андрианов А.М., Николаев Г.И., Корноушенко Ю.В., Хуанг Д., Дзян Ш., Тузиков А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Андрианов А.М., Николаев Г.И., Корноушенко Ю.В., Хуанг Д., Дзян Ш., Тузиков А.В.</copyright-holder><copyright-holder xml:lang="en">Andrianov A.M., Nikolaev G.I., Kornoushenko Y.V., Huang J., Jiang S., Tuzikov A.V.</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://doklady.belnauka.by/jour/article/view/632">https://doklady.belnauka.by/jour/article/view/632</self-uri><abstract><p>Методами виртуального скрининга и молекулярного моделирования идентифицированы 6 потенциальных пептидомиметиков кросс-реактивного нейтрализующего анти-ВИЧ-1 антитела N6, способных имитировать фармакофорные свойства этого иммуноглобулина путем специфических и эффективных взаимодействий с CD4-связывающим сайтом белка gp120 оболочки вируса. Показано, что ключевую роль во взаимодействии этих соединений с белком gp120 играют многочисленные ван-дер-ваальсовы контакты с консервативными остатками Phe43-полости гликопротеина, критическими для связывания ВИЧ-1 с клеточным рецептором CD4, а также водородные связи с остатком Asp-368gp120, образование которых увеличивает химическое сродство без активации нежелательного аллостерического эффекта. Согласно данным молекулярной динамики, комплексы обнаруженных лигандов с белком gp120 энергетически стабильны и характеризуются более низкими значениями свободной энергии связывания по сравнению с ингибиторами ВИЧ-1 NBD-11021 и DMJ-II-121, использованными в расчетах в качестве контрольных соединений. Идентифицированные соединения могут быть использованы в работах по созданию новых противовирусных препаратов – ингибиторов проникновения ВИЧ-1, блокирующих ранние стадии развития ВИЧ-инфекции.</p></abstract><trans-abstract xml:lang="en"><p>Six potential peptidomimetics of the cross-reactive neutralizing anti-HIV-1 antibody N6 that are able to mimic the pharmacophoric features of this immunoglobulin by specific and eﬀective interactions with the CD4-binding site of the viral gp120 protein were identified by virtual screening and molecular modeling. The key role in the interaction of these compounds with gp120 is shown to play multiple van der Waals contacts with conserved residues of the gp120 Phe43 cavity critical for the HIV binding to cellular receptor CD4, as well as hydrogen bonds with Asp-368gp120 that increase the chemical affinity without activating unwanted allosteric eﬀect. According to the data of molecular dynamics, the complexes of the identified ligands with gp120 are energetically stable and show the lower values of binding free energy compared with the HIV-1 inhibitors NBD-11021 and DMJ-II-121 used in the calculations as a positive control. The identified compounds may be involved in the design of novel antiviral drugs presenting HIV-1 inhibitors that block the early stages of the development of HIV infection.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ВИЧ-1</kwd><kwd>белок gp120</kwd><kwd>антитело N6</kwd><kwd>ингибиторы проникновения ВИЧ-1</kwd><kwd>виртуальный скрининг</kwd><kwd>молекулярный докинг</kwd><kwd>молекулярная динамика</kwd><kwd>лекарственные препараты против ВИЧ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>HIV-1</kwd><kwd>gp120 protein</kwd><kwd>antibody N6</kwd><kwd>HIV-1 entry inhibitors</kwd><kwd>virtual screening</kwd><kwd>molecular docking</kwd><kwd>molecular dynamics</kwd><kwd>anti-HIV drugs</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана Белорусским республиканским фондом фундаментальных исследований (проект X18КИ-002) и Национальным фондом естественных наук Китая (проект 84630090) в рамках программы сотрудничества и обмена.</funding-statement><funding-statement xml:lang="en">The study was supported by grants from the Belarusian Foundation for Fundamental Research (project X18КИ-002) and the National Natural Science Foundation of China (project 84630090) within the cooperation and exchange Program.</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">Arts, E. 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