TEV Protease FAQ
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چکیده
TEV protease is the common name for the 27 kDa catalytic domain of the Nuclear Inclusion a (NIa) protein encoded by the tobacco etch virus (TEV). Because its sequence specificity is far more stringent than that of factor Xa, thrombin, or enterokinase, TEV protease is a very useful reagent for cleaving fusion proteins. It is also relatively easy to overproduce and purify large quantities of the enzyme.
منابع مشابه
A combined approach to improving large-scale production of tobacco etch virus protease.
Tobacco etch virus NIa proteinase (TEV protease) is an important tool for the removal of fusion tags from recombinant proteins. Production of TEV protease in Escherichia coli has been hampered by insolubility and addressed by many different strategies. However, the best previous results and newer approaches for protein expression have not been combined to test whether further improvements are p...
متن کاملA Novel Method for High-Level Production of TEV Protease by Superfolder GFP Tag
Because of its stringent sequence specificity, tobacco etch virus (TEV) protease is widely used to remove fusion tags from recombinant proteins. Due to the poor solubility of TEV protease, many strategies have been employed to increase the expression level of this enzyme. In our work, we introduced a novel method to produce TEV protease by using visible superfolder green fluorescent protein (sf...
متن کاملComparison of the substrate specificity of two potyvirus proteases.
The substrate specificity of the nuclear inclusion protein a (NIa) proteolytic enzymes from two potyviruses, the tobacco etch virus (TEV) and tobacco vein mottling virus (TVMV), was compared using oligopeptide substrates. Mutations were introduced into TEV protease in an effort to identify key determinants of substrate specificity. The specificity of the mutant enzymes was assessed by using pep...
متن کاملStructural determinants of tobacco vein mottling virus protease substrate specificity.
Tobacco vein mottling virus (TVMV) is a member of the Potyviridae, one of the largest families of plant viruses. The TVMV genome is translated into a single large polyprotein that is subsequently processed by three virally encoded proteases. Seven of the nine cleavage events are carried out by the NIa protease. Its homolog from the tobacco etch virus (TEV) is a widely used reagent for the remov...
متن کاملEfficient site-specific processing of fusion proteins by tobacco vein mottling virus protease in vivo and in vitro.
Affinity tags are widely used as vehicles for the production of recombinant proteins. Yet, because of concerns about their potential to interfere with the activity or structure of proteins, it is almost always desirable to remove them from the target protein. The proteases that are most often used to cleave fusion proteins are factor Xa, enterokinase, and thrombin, yet the literature is replete...
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تاریخ انتشار 2010