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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2012 Feb 14;23(5):899–907. doi: 10.1007/s13361-012-0349-3

Figure 4.

Figure 4

Total ion chromatogram (TIC) of semastatin modified by DEPC at a peptide: DEPC ratio of 1:4 without TCEP added after the reaction. Chromatographic peaks notated with a residue(s) having an asterisk indicate that the corresponding chromatographic peak is the peptide labeled at only the indicated residue(s).