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Two-dimensional stimulated resonance Raman spectroscopy study of the Trp-cage peptide folding.
- Author(s): Ren, Hao
- Lai, Zaizhi
- Biggs, Jason D
- Wang, Jin
- Mukamel, Shaul
- et al.
Published Web Location
https://doi.org/10.1039/c3cp51347eAbstract
We report a combined molecular dynamics (MD) and ab initio simulation study of the ultrafast broadband ultraviolet (UV) stimulated resonance Raman (SRR) spectra of the Trp-cage mini protein. Characteristic two dimensional (2D) SRR features of various folding states are identified. Structural fluctuations erode the cross peaks and the correlation between diagonal peaks is a good indicator of the α-helix formation.
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