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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">vestib</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия биологических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Biological Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-8940</issn><issn pub-type="epub">2524-230X</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">10.29235/1029-8940-2019-64-3-350-358</article-id><article-id custom-type="elpub" pub-id-type="custom">vestib-453</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 конструирование и виртуальный докинг олигопептидов для связывания и элиминирования из плазмы крови интерлейкина-6</article-title><trans-title-group xml:lang="en"><trans-title>Molecular design and virtual docking of oligopeptides for binding and elimination interleukin-6 from blood plasma</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>Рябцева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabzeva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рябцева Татьяна Владимировна – научный сотрудник</p><p>пр. Дзержинского, 83, 220116, г. Минск</p><p> </p></bio><bio xml:lang="en"><p>Tatiana V. Ryabzeva – Researcher </p><p>83, Dzerzhynskii Ave., 220116, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">ta-yana@mail.ru</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>Макаревич</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarevich</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Макаревич Денис Александрович – кандидат биологических наук, ведущий научный сотрудник</p><p>ул. Купревича, 5/2, 220141, г. Минск</p><p> </p></bio><bio xml:lang="en"><p>Denis A. Makarevich – Ph. D. (Biol.), Leading researcher </p><p>5/2, Kuprevich Str., 220141, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">demkarevich@yandex.ru</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>Ермола</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Ermola</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ермола Евгений Михайлович – научный сотрудник </p><p>ул. Купревича, 5/2, 220141, г. Минск</p></bio><bio xml:lang="en"><p>Eugeniy M. Ermola – Researcher </p><p>5/2, Kuprevich Str., 220141, Minsk, Republic of Belarus</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>Голубович</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Golubovich</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Голубович Владимир Петрович – доктор биологических наук, профессор, заведующий лабораторией </p><p>ул. Купревича, 5/2, 220141, г. Минск</p><p> </p></bio><bio xml:lang="en"><p>Vladimir P. Golubovich – Ph. D. (Biol.), Professor, Head of the Laboratory </p><p>5/2, Kuprevich Str., 220141, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">golubovich@iboch.bas-net.by</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>Кирковский</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirkovskiy</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кирковский Валерий Васильевич – доктор медицинских наук, профессор, главный научный сотрудник</p><p>пр. Дзержинского, 83, 220116, г. Минск</p></bio><bio xml:lang="en"><p>Valeriy V. Kirkovskiy – Ph. D. (Med.), Professor, Chief researcher </p><p>83, Dzerzhynskii Ave., 220116, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">kirkovskv.v@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт биоорганической химии НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>17</day><month>08</month><year>2019</year></pub-date><volume>64</volume><issue>3</issue><fpage>350</fpage><lpage>358</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рябцева Т.В., Макаревич Д.А., Ермола Е.М., Голубович В.П., Кирковский В.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Рябцева Т.В., Макаревич Д.А., Ермола Е.М., Голубович В.П., Кирковский В.В.</copyright-holder><copyright-holder xml:lang="en">Ryabzeva T.V., Makarevich D.A., Ermola E.M., Golubovich V.P., Kirkovskiy V.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://vestibio.belnauka.by/jour/article/view/453">https://vestibio.belnauka.by/jour/article/view/453</self-uri><abstract><p>Интерлейкин-6 (ИЛ-6) рассматривается в качестве перспективной мишени для разработки противовоспалительной терапии при многих патологических состояниях (сепсис, аутоиммунная патология, аллергические заболевания). Цель данного исследования – разработка и изучение эффективности олигопептидов, предназначенных для связывания ИЛ-6. Для достижения цели были поставлены и успешно решены следующие задачи: на основании изучения трехмерных моделей молекулярных структур ИЛ-6 в комплексе с рецептором к ИЛ-6 и gp130 спрогнозированы структуры перспективных низкомолекулярных олигопептидов; для выявления максимально эффективного олигопептида проведена оценка их свободной энергии связывания с ИЛ-6; изучена эффективность олигопептидов по изменению концентрации ИЛ-6 в модельном растворе после контакта с экспериментальными олигопептидами.</p><p>В статье представлены результаты вычисления энергии связывания 62 пептидов, сконструированных с помощью программы PyMol, с ИЛ-6. Энергию связывания олигопептидов с ИЛ-6 рассчитывали в программе Chimera с помощью приложения AutodockVina. Представлены также результаты экспериментов in vitro, в которых синтезированные 7 секстапептидов, 2 тетрапептида и 3 трипептида взаимодействовали с рекомбинатным ИЛ-6. Эффективность пептидов рассчитывали по снижению концентрации цитокина в растворе в процентах от исходной концентрации.</p><p>Анализ свободной энергии связывания показал, что эффективность связывания увеличивается с возрастанием общего числа аминокислот, в частности ароматических, в олигопептиде. Корреляционный анализ показал, что метод молекулярного моделирования не является абсолютно эффективным для прогнозирования структуры олигопептида, однако может использоваться в качестве одной из предварительных ступеней анализа взаимодействия между молекулами и изучения оптимальных точек их соприкосновения для принятия решения о целесообразности синтеза и дальнейшего исследования лигандов. В результате экспериментов in vitro были определены два наиболее перспективных олигопептида для дальнейшего синтеза с целью использования их в качестве лигандов для связывания ИЛ-6 в плазме крови человека.</p></abstract><trans-abstract xml:lang="en"><p>Binding of interleukin-6 (IL-6) is the perspective target for the anti-inflammatory therapy in many pathological conditions (sepsis, autoimmune pathology, allergic diseases). The aim of this work was to develop and study the binding IL-6 oligopeptides. To achieve the goal, were set and successfully solved the following tasks: studying three-dimensional models of molecular structures of IL-6 incombination with the R-IL-6 and gp130, prediction and virtual synthesis low molecular weight oligopeptides; evaluating the free energy of IL-6 binding for identity the most effective oligopeptide; studying the changing the concentration of IL-6 inthe model solution after contact with experimental oligopeptides. In the article presents the binding IL-6 energy of 62 peptides, designed using the PyMol. Energy was calculated in the Chimera program using the AutodockVina application. There are also presented results of in vitro experiments interacting 7 sextapeptides, 2 tetrapeptides, and 3 tripeptides with recombinant IL-6. The effectiveness of the peptides was calculated by reducing the concentration of cytokine in solution as a percentage of the initial concentration.</p><p>The free binding energy has shown that the efficiency of binding increases with an increase in the total number of amino acids and, in particular, of aromatic amino acids in the oligopeptide. Correlation analysis showed that the molecular modeling method is not absolutely effective for predicting the structure of an oligopeptide, however, it can be used as one of the preliminary steps for analyzing the interaction between molecules and studying the optimal interaction points. Two oligopeptides were identified as the most promising for further synthesis as the ligands for binding and evaluating IL-6 inhuman blood plasma.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>интерлейкин-6</kwd><kwd>молекулярное моделирование</kwd><kwd>докинг</kwd><kwd>пептиды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>interleukin-6</kwd><kwd>molecular design</kwd><kwd>docking</kwd><kwd>peptides</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hunter, C. H. IL-6 as a keystone cytokine in health and disease / C. H. Hunter, S. A. Jones // Nat. Immunol. – 2015. – Vol. 16, N 5. – P. 448–457. https://doi.org/10.1038/ni.3153</mixed-citation><mixed-citation xml:lang="en">Hunter C. H., Jones S. A. IL-6 as a keystone cytokine in health and disease. 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