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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Anal Chem. 2009 Sep 1;81(17):7235–7242. doi: 10.1021/ac900855f

Figure 5.

Figure 5

Mass spectra after A) a 2 h, −80 °C incubation of 20 μM apomyoglobin with 100 mM H2O2; B) same as A) but with phenylalanine added to 10 mM; C) same as A) but with phenylalanine added to 70 mM.