Chapter title |
Purification of Microbially Expressed Recombinant Proteins via a Dual ELP Split Intein System
|
---|---|
Chapter number | 2 |
Book title |
Split Inteins
|
Published in |
Methods in molecular biology, January 2017
|
DOI | 10.1007/978-1-4939-6451-2_2 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6449-9, 978-1-4939-6451-2
|
Authors |
Changhua Shi, Tzu-Chiang Han, David W. Wood, Shi, Changhua, Han, Tzu-Chiang, Wood, David W. |
Abstract |
Fusions of elastin-like peptide (ELP) purification tags and self-cleaving inteins provide a powerful platform for purifying tagless recombinant proteins without the need for conventional packed-bed columns. A drawback to this method has been premature cleaving of the ELP tag during expression, before the purification procedure can take place. Here we demonstrate a split-intein method, where the self-cleaving intein is divided into two inactive segments during expression and purification. Spontaneous assembly of the purified intein segments then restores self-cleaving activity to deliver the tagless target protein. |
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