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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">10615</article-id><article-id pub-id-type="doi">10.32607/20758251-2012-4-4-58-64</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Research Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">N-Terminal Fusion Tags for Effective Production of G-Protein-Coupled Receptors in Bacterial Cell-Free Systems</article-title><trans-title-group xml:lang="ru"><trans-title>N-Концевые партнеры для эффективной продукции рецепторов, сопряженных с G-белками, в бактериальных бесклеточных системах</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lyukmanova</surname><given-names>E. N.</given-names></name><name xml:lang="ru"><surname>Люкманова</surname><given-names>E. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shenkarev</surname><given-names>Z. O.</given-names></name><name xml:lang="ru"><surname>Шенкарев</surname><given-names>З. O.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khabibullina</surname><given-names>N. F.</given-names></name><name xml:lang="ru"><surname>Хабибуллина</surname><given-names>Н. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kulbatskiy</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Кульбацкий</surname><given-names>Д. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shulepko</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Шулепко</surname><given-names>M. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrovskaya</surname><given-names>L. E.</given-names></name><name xml:lang="ru"><surname>Петровская</surname><given-names>Л. E.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Arseniev</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Арсеньев</surname><given-names>A. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dolgikh</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Долгих</surname><given-names>Д. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kirpichnikov</surname><given-names>M. P.</given-names></name><name xml:lang="ru"><surname>Кирпичников</surname><given-names>M. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ekaterina-lyukmanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биоорганической химии им. акад. М.М. Шемякина и Ю.А. Овчинникова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2012</year></pub-date><volume>4</volume><issue>4</issue><issue-title xml:lang="en">VOL 4, NO4 (2012)</issue-title><issue-title xml:lang="ru">ТОМ 4, №4 (2012)</issue-title><fpage>58</fpage><lpage>64</lpage><history><date date-type="received" iso-8601-date="2020-01-17"><day>17</day><month>01</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2012, Lyukmanova E.N., Shenkarev Z.O., Khabibullina N.F., Kulbatskiy D.S., Shulepko M.A., Petrovskaya L.E., Arseniev A.S., Dolgikh D.A., Kirpichnikov M.P.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2012, Люкманова E.Н., Шенкарев З.O., Хабибуллина Н.Ф., Кульбацкий Д.С., Шулепко M.A., Петровская Л.E., Арсеньев A.С., Долгих Д.A., Кирпичников M.П.</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="en">Lyukmanova E.N., Shenkarev Z.O., Khabibullina N.F., Kulbatskiy D.S., Shulepko M.A., Petrovskaya L.E., Arseniev A.S., Dolgikh D.A., Kirpichnikov M.P.</copyright-holder><copyright-holder xml:lang="ru">Люкманова E.Н., Шенкарев З.O., Хабибуллина Н.Ф., Кульбацкий Д.С., Шулепко M.A., Петровская Л.E., Арсеньев A.С., Долгих Д.A., Кирпичников M.П.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://actanaturae.ru/2075-8251/article/view/10615">https://actanaturae.ru/2075-8251/article/view/10615</self-uri><abstract xml:lang="en"><p>G-protein-coupled receptors (GPCR) constitute one of the biggest families of membrane proteins. In spite of the fact that they are highly relevant to pharmacy, they have remained poorly explored. One of the main bottlenecks encountered in structural-functional studies of GPCRs is the difficulty to produce sufficient amounts of the proteins. Cell-free systems based on bacterial extracts from E. coli cells attract much attention as an effective tool for recombinant production of membrane proteins. GPCR production in bacterial cell-free expression systems is often inefficient because of the problems associated with the low efficiency of the translation initiation process. This problem could be resolved if GPCRs were expressed in the form of hybrid proteins with N-terminal polypeptide fusion tags. In the present work, three new N-terminal fusion tags are proposed for cellfree production of the human β2-adrenergic receptor, human M1 muscarinic acetylcholine receptor, and human somatostatin receptor type 5. It is demonstrated that the application of an N-terminal fragment (6 a.a.) of bacteriorhodopsin from Exiguobacterium sibiricum (ESR-tag), N-terminal fragment (16 а.о.) of RNAse A (S-tag), and Mistic protein from B. subtilis allows to increase the CF synthesis of the target GPCRs by 5–38 times, resulting in yields of 0.6–3.8 mg from 1 ml of the reaction mixture, which is sufficient for structural-functional studies.</p></abstract><trans-abstract xml:lang="ru"><p>Семейство рецепторов, сопряженных с G-белками (GPCR), - одно из наиболее многочисленных семейств мембранных белков человека. Эти рецепторы, несмотря на их огромную важность для новых разработок в области фармакологии и медицины, остаются малоизученными. Основной фактор, сдерживающий структурно-функциональные исследования GPCR, - отсутствие высокоэффективных систем гетерологической продукции. Бесклеточные белоксинтезирующие системы, основанные на экстрактах из клеток Escherichia coli, в последнее время привлекают большое внимание в качестве эффективной альтернативы клеточным системам продукции рекомбинантных мембранных белков. Продукция GPCR в бактериальных бесклеточных системах затруднена из-за проблем, связанных с низкой эффективностью процесса инициации трансляции. Выход рецепторов может быть увеличен путем экспрессии слитых конструкций, содержащих дополнительные N-концевые аминокислотные последовательности-партнеры. В представленной работе для увеличения эффективности бесклеточного синтеза Р2-адренорецептора, мускаринового Ml холинорецептора и соматостатинового рецептора типа 5 человека предложены три новые N-концевые последовательности. Показано, что использование N-концевого фрагмента (6 а.о.) бактериородопсина грамположительной бактерии Exiguobacterium sibiricum (ESR-tag), N-концевого фрагмента (16 а.о.) рибону-клеазы А (S-tag) и белка Mistic из Bacillus subtilis позволяет увеличить выход GPCR в 5-38 раз и получить 0.6-S.8 мг целевого белка из 1 мл реакционной смеси, что достаточно для структурно-функциональных исследований.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Cell-free expression</kwd><kwd>GPCR</kwd><kwd>translation initiation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>бесклеточные системы синтеза</kwd><kwd>рецепторы</kwd><kwd>сопряженные с G-белками</kwd><kwd>инициация трансляции</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was supported by the Federal Target-Oriented Program “Scientific and Scientific-Pedagogical Personnel of the Innovative Russia” for 2009-2013, Program of the Russian Academy of Science “Molecular and Cell Biology”, Russian Foundation for Basic Research (grant № 11-04- 01864-a), the U.M.N.I.K. Program, and the Ministry of Education and Science (contracts No. 8268 and 8789).</funding-statement><funding-statement xml:lang="ru">Работа поддержана ФЦП «Научные и научно- педагогические кадры инновационной России на 2009-2013 годы», Программой Президиума РАН «Молекулярная и клеточная биология», РФФИ (грант № 11-04-01864-а), программой «У.М.Н.И.К.» и Министерством образования и науки (№ соглашений 8268 и 8789).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Lundstrom K.H. Structural Genomics on Membrane Proteins. CRC Press, 2006.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Wallin E., von Heijne G. // Protein Sci. 1998. V. 7. № 4. P. 1029-1038.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Fredriksson R., Lagerström M.C., Lundin L.G., Schiöth H.B. // Mol. Pharmacol. 2003. V. 63. № 6. 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