Title |
High resolution observed in 800 MHz DNP spectra of extremely rigid type III secretion needles
|
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Published in |
Journal of Biomolecular NMR, June 2016
|
DOI | 10.1007/s10858-016-0044-y |
Pubmed ID | |
Authors |
Pascal Fricke, Deni Mance, Veniamin Chevelkov, Karin Giller, Stefan Becker, Marc Baldus, Adam Lange |
Abstract |
The cryogenic temperatures at which dynamic nuclear polarization (DNP) solid-state NMR experiments need to be carried out cause line-broadening, an effect that is especially detrimental for crowded protein spectra. By increasing the magnetic field strength from 600 to 800 MHz, the resolution of DNP spectra of type III secretion needles (T3SS) could be improved by 22 %, indicating that inhomogeneous broadening is not the dominant effect that limits the resolution of T3SS needles under DNP conditions. The outstanding spectral resolution of this system under DNP conditions can be attributed to its low overall flexibility. |
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Geographical breakdown
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Demographic breakdown
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