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. Author manuscript; available in PMC: 2018 Jun 2.
Published in final edited form as: J Proteome Res. 2018 Feb 13;17(3):1227–1234. doi: 10.1021/acs.jproteome.7b00840

Figure 3. Coefficient of variation among the four protein extraction methods.

Figure 3

A) Global protein normalization factors show little method-specific differences in the amount of protein analyzed by mass spectrometry. B) Box plots show the distribution of the percent coefficient of variation (%CV).