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Ð”Ð°Ð½Ð½Ð°Ñ Ñ€Ð°Ð±Ð¾Ñ‚Ð° поÑвÑщена разработке протокола Ð²Ñ‹Ð´ÐµÐ»ÐµÐ½Ð¸Ñ Ñ„ÑƒÐ½ÐºÑ†Ð¸Ð¾Ð½Ð°Ð»ÑŒÐ½Ð¾ активных неÑтруктурных белков 3CL-Pro (Nsp5) и RdRp (Nsp12) из SARS-CoV-2, а также иÑÑледованию их взаимодейÑÑ‚Ð²Ð¸Ñ Ñ Ð¿Ð¾Ñ‚ÐµÐ½Ñ†Ð¸Ð°Ð»ÑŒÐ½Ñ‹Ð¼Ð¸ ингибиторами, подобранными из чиÑла зарегиÑтрированных терапевтичеÑких препаратов.Â Ð”Ð»Ñ Ð¾Ñ‡Ð¸Ñтки белков иÑпользовалиÑÑŒ такие методы, как Ð¼ÐµÑ‚Ð°Ð»Ð»Ð¾Ð°Ñ„Ñ„Ð¸Ð½Ð½Ð°Ñ Ñ…Ñ€Ð¾Ð¼Ð°Ñ‚Ð¾Ð³Ñ€Ð°Ñ„Ð¸Ñ, Ð¸Ð¾Ð½Ð¾Ð¾Ð±Ð¼ÐµÐ½Ð½Ð°Ñ Ñ…Ñ€Ð¾Ð¼Ð°Ñ‚Ð¾Ð³Ñ€Ð°Ñ„Ð¸Ñ, Ð¾Ð±Ñ€Ð°Ñ‚Ð½Ð°Ñ Ñ…Ñ€Ð¾Ð¼Ð°Ñ‚Ð¾Ð³Ñ€Ð°Ñ„Ð¸Ñ Ð½Ð° гепарине, гель-фильтрациÑ. Была подтверждена протеолитичеÑÐºÐ°Ñ Ð°ÐºÑ‚Ð¸Ð²Ð½Ð¾Ñть выделенного 3CL-Pro и проведен invitro анализ взаимодейÑÑ‚Ð²Ð¸Ñ Ð±ÐµÐ»ÐºÐ° Ñ Ð¿Ð¾Ñ‚ÐµÐ½Ñ†Ð¸Ð°Ð»ÑŒÐ½Ñ‹Ð¼Ð¸ ингибиторами.Â Ð”Ð»Ñ ÑвÑзываниÑ RdRpÂ Ñ Ñ„Ð°ÐºÑ‚Ð¾Ñ€Ð°Ð¼Ð¸ процеÑÑивноÑти Nsp7 и Nsp8 был приготовлен двуцепочечный Ð ÐК‑ÑубÑтрат.  Была проверена Ñ„ÐµÑ€Ð¼ÐµÐ½Ñ‚Ð°Ñ‚Ð¸Ð²Ð½Ð°Ñ Ð°ÐºÑ‚Ð¸Ð²Ð½Ð¾Ñть белка в комплекÑе Ñ ÐºÐ¾Ñ„Ð°ÐºÑ‚Ð¾Ñ€Ð°Ð¼Ð¸ и ÑубÑтратом. Результаты проделанной работы могут Ñлужить оÑновой Ð´Ð»Ñ Ð´Ð°Ð»ÑŒÐ½ÐµÐ¹ÑˆÐ¸Ñ… иÑÑледований по разработке методик Ð»ÐµÑ‡ÐµÐ½Ð¸Ñ Ð¸ препаратов, позволÑющих прервать жизненный цикл коронавируÑа еще до начала Ñтапа Ñборки новых вируÑных чаÑтиц в клетке.
The given work is devoted to the development of a functionally active non-structural SARS-CoV-2 3CL-Pro (Nsp5) and RdRp (Nsp12) proteins purification protocol, and to the study of their interaction with potential inhibitors selected from registered therapeutic drugs. For protein purification were used such methods as metal-affinity chromatography, ion-exchange chromatography, reverse heparin chromatography, and gel-filtration. After confirmation of the proteolytic activity of 3CL-Pro, an in vitro analysis of the interaction of the protein with potential inhibitors was carried out. To bind RdRp to Nsp7 and Nsp8 co-factors a double-stranded RNA substrate was prepared. The enzymatic activity of the protein in combination with cofactors and substrate was tested. The results of this work can be used for further research on the development of treatment methods and drugs that can interrupt the life cycle of coronavirus even before the assembly of new viral particles in the cell begins.
polymerase, inhibitor, SARS-CoV-2, пÑоÑеаза, chromatography, protease, полимеÑаза, Ñ ÑомаÑогÑаÑиÑ, ингибиÑоÑ
polymerase, inhibitor, SARS-CoV-2, пÑоÑеаза, chromatography, protease, полимеÑаза, Ñ ÑомаÑогÑаÑиÑ, ингибиÑоÑ
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