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. Author manuscript; available in PMC: 2015 Jan 22.
Published in final edited form as: J Am Chem Soc. 2014 Jan 8;136(3):956–962. doi: 10.1021/ja408682s

Figure 5.

Figure 5

Simulated HD 2D SFG spectra of (a) a 7-residue helix followed by a 5-residue random coil, (b) a 20-residue helix perpendicular to the surface, and (c) a 20-residue helix lying flat on the surface.