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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2009 Feb 10;20(6):1123–1126. doi: 10.1016/j.jasms.2009.02.004

Figure 1.

Figure 1

Mass spectra of GIG (a) oxidized by FPOP and purified by HPLC (b) oxidized by FPOP, purified by HPLC, and incubated with 50nM catalase for 24 h (c) oxidized by FPOP, purified by HPLC, and incubated with 1.45mM methionine amide 24 h.