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In-cell protein NMR and protein leakage

✍ Scribed by Christopher O. Barnes; Gary J. Pielak


Book ID
105358180
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
307 KB
Volume
79
Category
Article
ISSN
0887-3585

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✦ Synopsis


Abstract

In‐cell nuclear magnetic resonance spectroscopy is a tool for studying proteins under physiologically relevant conditions. In some instances, however, protein signals from leaked protein are observed in the liquid surrounding the cells. Here, we examine the expression of four proteins in Escherichia coli. We describe the controls that should be used for in‐cell NMR experiments and show that leakage is likely when the protein being studied exceeds ∼20% of the total cellular protein. Proteins 2011. Β© 2010 Wiley‐Liss, Inc.


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