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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-250</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGY</subject></subj-group></article-categories><title-group><article-title>ОСОБЕННОСТИ СВЯЗЫВАНИ Я БИС -(3′,5′)-ЦИКЛИЧЕСКОГО ДИМЕРНОГО ГУАНОЗИНМОНОФОСФАТА С ТЕТРАМЕРАМИ ГЕМОГЛОБИНА ЧЕЛОВЕКА</article-title><trans-title-group xml:lang="en"><trans-title>PECULIARITY OF BIS-(3′, 5′)-CYCLIC DIMERIC GUANOSINE MONOPHOSPHATE BINDING TO HUMAN HEMOGLOBIN TETRAMERS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ГОЛОВАЧ</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>GOLOVACH</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">microbio@mbio.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ЗАФРАНСКАЯ</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>ZAPHRANSKAYA</surname><given-names>M. M.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>БУЛАНОВА</surname><given-names>К. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>BULANOVA</surname><given-names>K. Ya.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>СЯХОВИЧ</surname><given-names>В. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>SYAKHOVICH</surname><given-names>V. E.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ЩЕКОЛОВА</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>SHCHOKOLOVA</surname><given-names>A. S.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>КВАЧ</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>KVACH</surname><given-names>S. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ЗИНЧЕНКО</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>ZINCHENKO</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>БОКУТЬ</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>BOKUT</surname><given-names>S. B.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Международный государственный экологический университет им. А. Д. Сахарова, Минск</institution><country>Belarus</country></aff><aff xml:lang="ru" id="aff-2"><institution>Институт микробиологии НАН Беларуси, Минск</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>10</day><month>06</month><year>2016</year></pub-date><volume>58</volume><issue>4</issue><fpage>82</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ГОЛОВАЧ В.А., ЗАФРАНСКАЯ М.М., БУЛАНОВА К.Я., СЯХОВИЧ В.Э., ЩЕКОЛОВА А.С., КВАЧ С.В., ЗИНЧЕНКО А.И., БОКУТЬ С.Б., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ГОЛОВАЧ В.А., ЗАФРАНСКАЯ М.М., БУЛАНОВА К.Я., СЯХОВИЧ В.Э., ЩЕКОЛОВА А.С., КВАЧ С.В., ЗИНЧЕНКО А.И., БОКУТЬ С.Б.</copyright-holder><copyright-holder xml:lang="en">GOLOVACH V.A., ZAPHRANSKAYA M.M., BULANOVA K.Y., SYAKHOVICH V.E., SHCHOKOLOVA A.S., KVACH S.V., ZINCHENKO A.I., BOKUT S.B.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://doklady.belnauka.by/jour/article/view/250">https://doklady.belnauka.by/jour/article/view/250</self-uri><abstract><p>Молекулярные модели комплексов бис-(3′,5′)-циклического димерного гуанозинмонофосфата (c-di-GMP) с гемоглобином человека в R-состоянии показали, что c-di-GMP связывается с тетрамерами гемоглобина со стороны b-входа в центральную полость гемопротеида в DPG-связующем сайте белка.</p><p>Анализ ингибирующего действия дигуанилата на связывание 1,8-ANS с тетрамерами гемопротеида, выполненный методом стационарной флуоресцентной спектроскопии, показал, что наиболее специфическим сайтом связывания c-di-GMP в олигомерах данного белка является его центральная регуляторная область (константа конкурентного ингибирования 2,91 ± 0,54·10−5 М). При высоких концентрациях 1,8-ANS ингибирующее действие циклического дигуанилата на связывание зонда становится неконкурентным (константа для неконкурентного ингибирования 0,79 ± 0,11·10−4 М), указывая на способность c-di-GMP взаимодействовать и с менее специфическими поверхностными участками оксигемоглобина человека.</p></abstract><trans-abstract xml:lang="en"><p>Molecular modeling complexes of bis-(3′, 5′)-cyclic dimeric guanosine monophosphate (c-di-GMP) with human oxyhemoglobin HbA1 and the analysis of the cyclic diguanylic acid inhibitory effect on the binding of 1,8-ANS to HbA1 carried out by the steady-state fluorescence spectroscopy showed that the most specific binding site of c-di-GMP in hemoglobin oligomers is the central regulatory region of this protein (competitive inhibition constant is 2.91 ± 0.54·10−5 М). At high concentrations of 1,8-ANS c-di-GMP inhibitory effect on the probe binding is non-competitive (non-competitive inhibition constant is 0.79 ± 0.11·10−4 М), indicating the ability of c-di-GMP interact with less specific surface areas of human oxyhemoglobin.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Safo M. K., Ahmed M. H., Ghatge M. S., Boyiri T. // Biochim. Biophys. Acta. 2011. Vol. 1814. Р. 797–809.</mixed-citation><mixed-citation xml:lang="en">Safo M. K., Ahmed M. H., Ghatge M. S., Boyiri T. // Biochim. Biophys. Acta. 2011. Vol. 1814. Р. 797–809.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Nnamani I. N., Joshi G. S., Danso-Danquah R. et al. // Chem. Biodivers. 2008. Vol. 5. P. 1762–1769.</mixed-citation><mixed-citation xml:lang="en">Nnamani I. N., Joshi G. 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