A novel Ecotin-Ubiquitin-Tag (ECUT) for efficient, soluble peptide production in the periplasm of Escherichia coli |
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Authors: | Michael Paal Thomas Heel Rainer Schneider Bernhard Auer |
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Institution: | (1) Austrian Center of Biopharmaceutical Technology, Muthgasse 18, A-1190 Vienna, Austria;(2) Institute of Biochemistry, University of Innsbruck, Peter-Mayr-Strasse 1a, A-6020 Innsbruck, Austria |
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Abstract: | Background Many protocols for recombinant production of peptides and proteins include secretion into the periplasmic space of Escherichia coli, as they may not properly fold in the cytoplasm. If a signal peptide is not sufficient for translocation, a larger secretion
moiety can instead be fused to the gene of interest. However, due to the covalent linkage of the proteins, a protease recognition
site needs to be introduced in between, altering the N-terminus of the product. In the current study, we combined the ubiquitin
fusion technology, which allows production of authentic peptides and proteins, with secretion by the perpiplasmic protease
inhibitor ecotin. |
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Keywords: | |
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