[Designing of hybrid human interferon alfa-2 strain-producers and the use of enteropeptidase for obtaining N-terminal methionine-free interferons]статья
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Дата последнего поиска статьи во внешних источниках: 1 апреля 2020 г.
Аннотация:A system for production of human interferon-alpha2a (IFN-alpha2a) and IFN-alpha2b lacking N-terminal methionine has been developed. Plasmids containing genes of hybrid IFN-alpha2 under the control of different promoters were constructed; a sequence encoding the enteropeptidase hydrolysis site being introduced in proximal part of the genes. As the result, 4 strains of Escherichia coli producing hybrid IFN-alpha2 have been obtained. The methodology for IFN-alpha2 renaturation, hydrolysis of its N-terminal part, chromatographic purification of N-terminal methionine-free IFN-alpha2 has been developed.