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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Biological Physics and Chemisrty</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Biological Physics and Chemisrty</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2499-9962</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">54547</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Моделирование в биофизике</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Modelling in biophycis</subject>
    </subj-group>
    <subj-group>
     <subject>Моделирование в биофизике</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Pecularity of the potexvirus coat spatial structure</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Специфика пространственной структуры белков оболочки потексвирусов</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Долгов</surname>
       <given-names>А А</given-names>
      </name>
      <name xml:lang="en">
       <surname>Dolgov</surname>
       <given-names>A A</given-names>
      </name>
     </name-alternatives>
     <email>bogen_chph@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Богачева</surname>
       <given-names>Е Н</given-names>
      </name>
      <name xml:lang="en">
       <surname>Bogacheva</surname>
       <given-names>E N</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Ксенофонтов</surname>
       <given-names>А Л</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ksenofontov</surname>
       <given-names>A L</given-names>
      </name>
     </name-alternatives>
     <email>ksenofon@belozersky.msu.ru</email>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">ФИЦ химической физики им. Н.Н. Семенова РАН</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">N.N. Semenov Federal Research Center for chemical physics Russian Academys</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">НИИ физико-химической биологии им. А.Н. Белозерского Московского государственного университета им. М.В. Ломоносова</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">A.N. Belozersky Research Institute of Physico-Chemical Biology MSU</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">НИИ физико-химической биологии им. А.Н. Белозерского Московского государственного университета им. М.В. Ломоносова</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">A.N. Belozersky Research Institute of Physico-Chemical Biology MSU</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2020-09-25T20:22:29+03:00">
    <day>25</day>
    <month>09</month>
    <year>2020</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2020-09-25T20:22:29+03:00">
    <day>25</day>
    <month>09</month>
    <year>2020</year>
   </pub-date>
   <volume>5</volume>
   <issue>3</issue>
   <fpage>429</fpage>
   <lpage>433</lpage>
   <history>
    <date date-type="received" iso-8601-date="2020-09-20T20:22:29+03:00">
     <day>20</day>
     <month>09</month>
     <year>2020</year>
    </date>
    <date date-type="accepted" iso-8601-date="2020-09-20T20:22:29+03:00">
     <day>20</day>
     <month>09</month>
     <year>2020</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54547/view">https://rusjbpc.ru/en/nauka/article/54547/view</self-uri>
   <abstract xml:lang="ru">
    <p>Изучение структуры вирусных белков оболочки, а также возможностей их модификации и структурной перестройки крайне важно для разработки новых подходов для создания биотехнологической продукции, в том числе медицинского назначения. Вирусы растений обладают безусловным преимуществом при получении новых функциональных и биологически активных материалов, в частности перспективных вакцин, так как они не патогенны для млекопитающих, в том числе для человека. На примере типичного представителя группы потексвирусов - Х-вируса картофеля (ХВК) исследована специфика пространственной структуры белков оболочки. Проведен системный анализ причин отклонений от глобулярной формы. Одна из причин - это биологическая функция защиты РНК. Проведено моделирование полноразмерного белка с помощью сервера I-Tasser и впервые рассмотрена конформация его N-конца. Предложен критерий компактности укладки полипептидной цепи в пространстве. В отличие от используемых в литературе эмпирических формул представлен способ расчета радиуса гирации белка по его первичной структуре, приведены значения радиусов гирации для различных типов аминокислотных остатков.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The study of the structure of viral envelope proteins, as well as the possibilities of their modification and structural rearrangement is extremely important for the development of completely new approaches for creating biotechnological products, including medical ones. Plant viruses have an absolute advantage in the production of new functional and biologically active materials, in particular promising vaccines, since they are not pathogenic for mammals, including humans. On the example of a typical representative of the potexvirus group - potato X-virus, the specificity of the spatial structure of envelope proteins is studied. A systematic analysis of the causes of deviations from the globular form is carried out. One reason is the biological function of protecting RNA. A full-sized protein was simulated using the I-Tasser server and the conformation of its N-terminus was first considered. A compactness criterion for laying a polypeptide chain in space is proposed. In contrast to the empirical formulas used in the literature, a method for calculating the radius of gyration of a protein by its primary structure is presented, the values of the gyration radii for various types of amino acid residues are presented.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>потексвирусы</kwd>
    <kwd>Х-вирус картофеля</kwd>
    <kwd>моделирование пространственной структуры</kwd>
    <kwd>радиус гирации</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>potexvirus X-virus potato</kwd>
    <kwd>simulation of the spatial structure</kwd>
    <kwd>radius of gyration</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа выполнена при поддержке гранта РФФИ 18-04-00525а и в рамках государственного задания Минобрнауки России (Тема 0082-2019-0015, № AAAA-A20-120031490003-7).</funding-statement>
   </funding-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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