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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">54282</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Общая биофизика</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>General biophysics</subject>
    </subj-group>
    <subj-group>
     <subject>Общая биофизика</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">EFFECTS OF PHOSPHATE ON PROTEIN EB1 INTERACTION WITH MICROTUBULE</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ВЛИЯНИЕ ФОСФАТА НА ВЗАИМОДЕЙСТВИЕ БЕЛКА ЕВ1 С МИКРОТРУБОЧКОЙ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Саранцева</surname>
       <given-names>М Ю</given-names>
      </name>
      <name xml:lang="en">
       <surname>Sarantseva</surname>
       <given-names>M Y</given-names>
      </name>
     </name-alternatives>
     <email>msarantseva@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Бояхчян</surname>
       <given-names>А В</given-names>
      </name>
      <name xml:lang="en">
       <surname>Boyakhchyan</surname>
       <given-names>A V</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гудимчук</surname>
       <given-names>Н Б</given-names>
      </name>
      <name xml:lang="en">
       <surname>Gudimchuk</surname>
       <given-names>N B</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Московский государственный университет им. М.В.Ломоносова</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Lomonosov Moscow State University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Московский государственный университет им. М.В.Ломоносова</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Lomonosov Moscow State University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Московский государственный университет им. М.В.Ломоносова</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Lomonosov Moscow State University</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2018-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2018</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2018-06-25T20:22:29+03:00">
    <day>25</day>
    <month>06</month>
    <year>2018</year>
   </pub-date>
   <volume>3</volume>
   <issue>2</issue>
   <fpage>290</fpage>
   <lpage>295</lpage>
   <history>
    <date date-type="received" iso-8601-date="2018-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2018</year>
    </date>
    <date date-type="accepted" iso-8601-date="2018-06-20T20:22:29+03:00">
     <day>20</day>
     <month>06</month>
     <year>2018</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/54282/view">https://rusjbpc.ru/en/nauka/article/54282/view</self-uri>
   <abstract xml:lang="ru">
    <p>Данная работа посвящена исследованию взаимодействие белка из семейства ЕВ (End Binding protein) с микротрубочками (МТ) in vitro . Согласно одной из гипотез, он имеет повышенное сродство к комплексу «тубулин-ГДФ-фосфат», откуда следует, что повышение концентрации неорганического фосфата в растворе должно увеличить аффинность EB1 к МТ. Чтобы проверить данное предположение, проведены эксперименты по наблюдению кинетики накопления рекомбинантного белка ЕВ1-еGFP на стабильных МТ с помощью TIRF микроскопии (Total Internal Reflection Fluorescence) в присутствии таксола, подавляющего деполимеризацию МТ. Так же произведены измерения динамических параметров МТ и размера области связывания ЕВ1-еGFP с динамическими МТ. Сравнивая эти данные, полученные при разной концентрации дигидрофосфата натрия в растворе, можно делать выводы о влиянии фосфата на аффинность ЕВ1 к МТ, а значит, и о механизме их взаимодействия. Результаты исследования свидетельствуют против гипотезы о том, что EB1 связывается с ГДФ-фосфат-тубулином</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>This paper is devoted to investigation of the interaction of a protein from the EB family (End Binding protein) with microtubules (MT) in vitro . According to one of the hypotheses, it has an enhanced affinity for the «tubulin-GDF-phosphate» complex, suggesting that the addition of inorganic phosphate to solution should increase the affinity of EB1 to MT. To test this assumption, we conducted experiments to observe the kinetics of accumulation of recombinant EB1-eGFP protein on stable MTs using TIRF microscopy (Total Internal Reflection Fluorescence) in the presence of taxol, which suppresses the depolymerization of MT. Moreover, the dynamic MT parameters and the size of the binding region of EB1-eGFP with dynamic MTs were measured. Comparing these data obtained at different concentrations of sodium dihydrogen phosphate in solution, one can draw conclusions about the effect of phosphate on the affinity of EB1 to MT, and therefore on the mechanism of their interaction. The results of this study evidence against the hypothesis that EB1 binds to GDF-phosphate-tubulin</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>микротрубочки</kwd>
    <kwd>ГТФ-шапочка</kwd>
    <kwd>ЕВ</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>1</kwd>
    <kwd>MAPs</kwd>
    <kwd>microtubules</kwd>
    <kwd>GTP-cap</kwd>
   </kwd-group>
  </article-meta>
 </front>
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  <p></p>
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</article>
