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. 2013 Jan 14;8(1):e54401. doi: 10.1371/journal.pone.0054401

Figure 4. 15N-HMQC spectra for S64.

Figure 4

(top) and S67 (bottom). The S64 spectrum includes some minor peaks that are not assigned. These peaks do not have discernable cross-peaks in the NOESY spectra and only very weak cross-peaks in the 3D assignment spectra, which suggest that they are due to unfolded peptide rather than a minor conformation with a different disulfide-bonding pattern.