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Two-dimensional stimulated resonance Raman spectroscopy study of the Trp-cage peptide folding

  • Author(s): Ren, H
  • Lai, Z
  • Biggs, JD
  • Wang, J
  • Mukamel, S
  • et al.
Abstract

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. © 2013 the Owner Societies.

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