Researchers have developed a new method to analyze protein dynamics using nuclear magnetic resonance (NMR) spectroscopy, focusing on the information *missing* from standard spectra. This allows for observation of movements occurring over milliseconds – timescales previously difficult to capture.
A team utilized NMR to study protein motions, but instead of analyzing signals, they focused on signal absences. According to a report published in *Nature* on August 10, 2026, the researchers found that these ‘missing’ signals contain crucial information about millisecond-timescale dynamics within proteins. Traditional NMR spectroscopy excels at revealing fast movements (picoseconds to nanoseconds) and static structures, but slower motions have been challenging to observe.
The new technique works by analyzing the broadening of spectral lines in NMR data. These broadened lines indicate that molecules are moving, but the extent of the broadening reveals information about the speed and nature of these movements. By carefully examining what is *not* visible in the spectrum – the signals lost due to rapid motion – researchers can reconstruct a picture of protein dynamics occurring over milliseconds. This provides insights into how proteins function and interact with other molecules.
The research team’s approach offers a new way to understand the relationship between protein structure and function, potentially aiding drug discovery and our understanding of biological processes at the molecular level.
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