METHOD FOR THE MANUFACTURING OF RECOMBINANT PROTEINS HARBOURING AN N-TERMINAL LYSINE
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United States of America Patent
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Aug 20, 2015
app pub date -
Aug 20, 2013
filing date -
Aug 20, 2012
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Abstract
This invention relates to a novel method for manufacturing and obtaining recombinant proteins, such as clostridial neurotoxins, harbouring an N-terminal lysine from precursor proteins. The method comprises the step of expressing a nucleic acid sequence encoding a precursor protein comprising an N-terminal motif, which can be recognised by an endoprotease specific for a lysine in P′1 position, and the step of cleaving the precursor protein with the endoprotease. The invention further relates to novel precursor proteins used in such methods, nucleic acid sequences encoding such precursor proteins and novel recombinant proteins, such as clostridial neurotoxins, harbouring an N-terminal lysine.
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