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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Amino Acids. 2016 Jan 9;48(4):1059–1067. doi: 10.1007/s00726-015-2166-z

Fig. 5.

Fig. 5

MALDI-TOF-MS spectra of calmodulin Glu-C digests at both pH 4.5 (top) and pH 8.0 (bottom). Specific areas of spectra are zoomed in at indicated degree to improve clarity. Glu-C proteolysis at each pH generated similar peptide fragments. Colors are used to indicate peaks only observed at pH 4.5 (blue), only observed at pH 8.0 (red), and at both pH's (black)