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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Cheese- and buttermaking</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Cheese- and buttermaking</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Сыроделие и маслоделие</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2073-4018</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">73537</article-id>
   <article-id pub-id-type="doi">10.31515/2073-4018-2023-1-22-25</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Оригинальная статья</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Original article</subject>
    </subj-group>
    <subj-group>
     <subject>Оригинальная статья</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Milk-clotting activity and general proteolytic activity of an engineered variant of recombinant reindeer chymosin (Rangifer tarandus)</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Молокосвертывающая и общая протеолитическая активность инженерного варианта рекомбинантного химозина северного оленя (Rangifer tarandus)</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Пушкарев</surname>
       <given-names>Владимир Александрович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Pushkarev</surname>
       <given-names>Vladimir A.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4938-8136</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Мусина</surname>
       <given-names>Ольга Николаевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Musina</surname>
       <given-names>Olga N.</given-names>
      </name>
     </name-alternatives>
     <email>musinaolga@gmail.com</email>
     <xref ref-type="aff" rid="aff-2"/>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Беленькая</surname>
       <given-names>Светлана Валерьевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Belenkaya</surname>
       <given-names>Svetlana V.</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат биологических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of sciences in biology;</p>
     </bio>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Щербаков</surname>
       <given-names>Дмитрий Николаевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shcherbakov</surname>
       <given-names>Dmitry N.</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат биологических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of sciences in biology;</p>
     </bio>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Коваль</surname>
       <given-names>Анатолий Дмитриевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Koval</surname>
       <given-names>Anatoliy D.</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-6"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Белов</surname>
       <given-names>Александр Николаевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Belov</surname>
       <given-names>Aleksandr N.</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-7"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Ельчанинов</surname>
       <given-names>Вадим Валентинович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Elchaninov</surname>
       <given-names>Vadim Valentinovich</given-names>
      </name>
     </name-alternatives>
     <email>ve3636@yandex.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-8"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Федеральный Алтайский научный центр агробиотехнологий, Сибирский НИИ сыроделия</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal Altai Scientific Centre of Agro-Bio Technologies, Siberian Research Institute of Cheese Making</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Федеральный Алтайский научный центр агробиотехнологий</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Altai Research Institute of Agriculture</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Алтайский государственный технический университет им И. И. Ползунова</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Polzunov Altai State Technical University</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Алтайский государственный университет</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Altai State University</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Алтайский государственный университет</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Altai State University</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-6">
    <aff>
     <institution xml:lang="ru">Федеральный Алтайский научный центр агробиотехнологий, отдел Сибирский НИИ сыроделия</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal Altai Scientific Centre of Agro-BioTechnologies, Siberian Research Institute of Cheese Making</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-7">
    <aff>
     <institution xml:lang="ru">Федеральный Алтайский научный центр агробиотехнологий, отдел Сибирский НИИ сыроделия</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal Altai Scientific Centre of Agro-BioTechnologies, Siberian Research Institute of Cheese Making</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-8">
    <aff>
     <institution xml:lang="ru">ФГБНУ &quot;Федеральный Алтайский научный центр агробиотехнологий&quot;</institution>
     <city>Барнаул</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal Altai Scientific Centre of Agro-BioTechnologies</institution>
     <city>Barnaul</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2024-01-23T11:44:41+03:00">
    <day>23</day>
    <month>01</month>
    <year>2024</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2024-01-23T11:44:41+03:00">
    <day>23</day>
    <month>01</month>
    <year>2024</year>
   </pub-date>
   <issue>1</issue>
   <fpage>22</fpage>
   <lpage>25</lpage>
   <history>
    <date date-type="received" iso-8601-date="2023-01-13T00:00:00+03:00">
     <day>13</day>
     <month>01</month>
     <year>2023</year>
    </date>
    <date date-type="accepted" iso-8601-date="2023-01-13T00:00:00+03:00">
     <day>13</day>
     <month>01</month>
     <year>2023</year>
    </date>
   </history>
   <self-uri xlink:href="https://naukaru.ru/en/nauka/article/73537/view">https://naukaru.ru/en/nauka/article/73537/view</self-uri>
   <abstract xml:lang="ru">
    <p>Изучена молокосвертывающая и общая протеолитическая активность инженерного варианта рекомбинантного химозина северного оленя (Rangifer tarandus) с точечной аминокислотной заменой Lys53→Glu. В качестве ферментов сравнения использовали коммерческие рекомбинантные химозины коровы и одногорбого верблюда. Показано, что общая протеолитическая активность инженерного варианта химозина северного оленя на 36 % ниже, чем у рекомбинантного химозина коровы. Инженерный вариант рекомбинантного химозина северного оленя отличался крайне низкой удельной молокосвертывающей активностью, что приводило к снижению его специфичности по сравнению с рекомбинантными химозинами коровы и верблюда в 2,4 и 9,8 раза соответственно.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The milk-clotting and general proteolytic activity of an engineered variant of recombinant reindeer chymosin (Rangifer tarandus) with a point amino acid replacement Lys53→Glu was studied. Commercial recombinant cow and single-humped camel chymosins were used as comparison enzymes. It is shown that the total proteolytic activity of the engineered variant of reindeer chymosin is 36 % lower than that of recombinant cow chymosin. The engineered version of recombinant reindeer chymosin was characterized by extremely low relative milk-clotting activity, which led to a decrease in its specificity, compared with recombinant cow and camel chymosins by 2,4 and 9,8 times respectively.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>северный олень</kwd>
    <kwd>химозин</kwd>
    <kwd>рекомбинантный химозин</kwd>
    <kwd>молокосвертывающая активность</kwd>
    <kwd>протеолитическая активность</kwd>
    <kwd>сыроделие</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>reindeer</kwd>
    <kwd>chymosin</kwd>
    <kwd>recombinant chymosin</kwd>
    <kwd>milk-clotting activity</kwd>
    <kwd>proteolytic activity</kwd>
    <kwd>cheesemaking</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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 <back>
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