Simultaneous acquisition of PAR and PAIN spectra |
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Authors: | Anders B Nielsen Kathrin Székely Julia Gath Matthias Ernst Niels Chr Nielsen Beat H Meier |
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Institution: | 1.Physical Chemistry, ETH Zürich,Zürich,Switzerland;2.Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry,Center for Insoluble Protein Structures (inSPIN), University of Aarhus,Aarhus C,Denmark |
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Abstract: | We present a scheme that allows the simultaneous detection of PAR and PAIN correlation spectra in a single two-dimensional
experiment. For both spectra, we obtain almost the same signal-to-noise ratio as if a PAR or PAIN spectrum is recorded separately,
which in turn implies that one of the spectra may be considered additional information for free. The experiment is based on
the observation that in a PAIN experiment, the PAR condition is always also fulfilled. The performance is demonstrated experimentally
using uniformly 13C,15N-labeled samples of N–f–MLF–OH and ubiquitin. |
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