Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 2, Issue 20, Pages 2598-2609Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jz201161b
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Funding
- National Institutes of Health [GM-065978, RR01348, GM-008275]
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Elucidating the underlying molecular mechanisms of protein folding and function is a very exciting and active research area, but poses significant challenges. This is due in part to the fact that existing experimental techniques are incapable of capturing snapshots along the reaction coordinate in question with both sufficient spatial and temporal resolutions. In this regard, recent years have seen increased interests and efforts in the development and employment of site-specific probes to enhance the structural sensitivity of spectroscopic techniques in conformational and dynamical studies of biological molecules. In particular, the spectroscopic and chemical properties of nitriles, thiocyanates, and azides render these groups attractive for the interrogation of complex biochemical constructs and processes. Here, we review their signatures in vibrational, fluorescence, and NMR spectra and their utility in the context of elucidating chemical structure and dynamics of protein and DNA molecules.
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