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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">54030</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>МОЛЕКУЛЯРНАЯ БИОФИЗИКА И ФИЗИКА БИОМОЛЕКУЛ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>MOLECULAR BIOPHYSICS AND PHYSICS OF BIOMOLECULES</subject>
    </subj-group>
    <subj-group>
     <subject>МОЛЕКУЛЯРНАЯ БИОФИЗИКА И ФИЗИКА БИОМОЛЕКУЛ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">NONCOVALENT COMPLEXES OF ASPARTIC PROTEASE OF PENICILLOPEPSINE WITH SUBSTRATES</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>НЕВАЛЕНТНЫЕ КОМПЛЕКСЫ АСПАРТИЛЬНОЙ ПРОТЕИНАЗЫ ПЕНИЦИЛЛОПЕПСИНА С СУБСТРАТАМИ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Алиев</surname>
       <given-names>Р Э</given-names>
      </name>
      <name xml:lang="en">
       <surname>Aliyev</surname>
       <given-names>R E</given-names>
      </name>
     </name-alternatives>
     <email>rashid_aliev@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Бакинский государственный университет</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Baku State University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2016-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2016</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2016-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2016</year>
   </pub-date>
   <volume>1</volume>
   <issue>1</issue>
   <fpage>208</fpage>
   <lpage>210</lpage>
   <history>
    <date date-type="received" iso-8601-date="2016-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2016</year>
    </date>
    <date date-type="accepted" iso-8601-date="2016-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2016</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54030/view">https://rusjbpc.ru/en/nauka/article/54030/view</self-uri>
   <abstract xml:lang="ru">
    <p>На основе трехмерных структур нативного пенициллопепсина и его ингибиторных комплексов выбрана модель активного центра пенициллопепсина. В модели активного центра конформационная свобода вращения была дана только боковым цепям остатков Asp33, Tyr75 и Asp213. Рассмотрены три возможных электронных состояния боковых цепей Asp33 и Asp213 и связанной с ними молекулы воды. Методом теоретического конформационного анализа изучены конформационные аспекты взаимодействия пенициллопепсина с дипептидами Leu-Trp и Trp-Ile. Показано, что продуктивные невалентные комплексы пенициллопепсина с субстратами низкоэнергетичны. Внутри - и межмолекулярные взаимодействия у молекул фермента и субстратов согласованы и не приводят к стерической деформации расщепляемой связи. Анализ возможных ориентаций гидролизируемой пептидной связи и нуклеофильной молекулы воды относительно остатков Asp 33, Tyr 75 и Asp213 пенициллопепсина выявил роль этих остатков в процессе катализа.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>On the basis of three-dimensional structures of native penicillopepsine and its inhibitory complexes the model of active center has been chosen. In the model of the active site the conformational freedom of rotation has been given only to the side chains of residues Asp33, Tyr75 and Asp213. Three possible electronic state of the side chains of Asp33 and Asp213 and connected with them water molecule were considered. Using the method of theoretical conformational analysis conformational aspects of interaction of penicillopepsine with Leu-Trp and Trp-Ile dipeptides were studied. It is shown that productive noncovalent complexes of penicillopepsine with substrates are low-energy. Inside - intermolecular interactions of molecules of enzyme and substrates are aligned and do not lead to steric strain of cleavable bond. Analysis of possible orientations of hydrolyzed peptide bond and nucleophile water molecule relatively to Asp33, Tyr75 and Asp213 residues of penicillopepsine revealed the role of these residues during catalysis processes.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>пенициллопепсин</kwd>
    <kwd>невалентные комплексы</kwd>
    <kwd>конформационный анализ</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>penicillopepsine</kwd>
    <kwd>noncovalent complexes</kwd>
    <kwd>conformational analysis</kwd>
   </kwd-group>
  </article-meta>
 </front>
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  <p></p>
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