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Title
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Exploring three different expression systems for recombinant expression of globins: Escherichia coli, Pichia pastoris and Spodoptera frugiperda
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Author
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Abstract
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| Globins are among the best investigated proteins in biological and medical sciences and represent a prime tool for the study of the evolution of genes and the structure-function relationship of proteins. Here, we explore the recombinant expression of globins in three different expression systems: Escherichia colt, Pichia pastoris and the baculovirus infected Spodoptera frugiperda. We expressed two different human globin types in these three expression systems: I) the well-characterized neuroglobin and II) the uncharacterized, circular permutated globin domain of the large chimeric globin androglobin. It is clear from the literature that E.coli is the most used expression system for expression and purification of recombinant globins. However, the major disadvantage of E. coli is the formation of insoluble aggregates. We experienced that, for more complex multi-domain globins, like the chimeric globin androglobin, it is recommended to switch to a higher eukaryotic expression system. |
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Language
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English
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Source (journal)
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Analytical biochemistry. - New York, N.Y.
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Publication
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New York, N.Y.
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2018
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ISSN
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0003-2697
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DOI
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10.1016/J.AB.2017.11.027
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Volume/pages
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543
(2018)
, p. 62-70
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ISI
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000426538100011
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Pubmed ID
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29203135
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Full text (Publisher's DOI)
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Full text (open access)
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Full text (publisher's version - intranet only)
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