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Default Combining methods for speeding up multi-dimensional acquisition. Sparse sampling and

Combining methods for speeding up multi-dimensional acquisition. Sparse sampling and fast pulsing methods for unfolded proteins


Publication year: 2010
Source: Journal of Magnetic Resonance, In Press, Accepted Manuscript, Available online 12 June 2010

Dominique, Marion

Resonance assignment of intrinsically disordered proteins is made difficult by the extensive spectral overlaps. High-resolution 3D and 4D spectra are thus essential for this purpose. We have adapted the series of 3D BEST experiments proposed by Lescop et al [J. Magn. Reson. 187 (2007) 1639] to the case of unfolded proteins. Longer acquisitions in the indirect dimensions are obtained by implementing semi-constant time evolution and sparse sampling. Using Maximum Entropy reconstruction for the indirect dimensions, the artifact intensity due to sparse sampling can be reduced to a level similar to the other sources of noise. The reduction of the sampled...


Source: Journal of Magnetic Resonance
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