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. Author manuscript; available in PMC: 2019 Jun 15.
Published in final edited form as: J Proteome Res. 2019 Feb 28;18(4):1644–1656. doi: 10.1021/acs.jproteome.8b00916

Figure 5. Evaluating the peptide selectivity of SP2 and C18 methods.

Figure 5.

(A) A histogram for the coefficients of variation (CVs) for individual peptide abundances in samples subjected to SP2, C18, or to either method. (B) Histograms for peptide abundance CVs subjected to each sample preparation strategy (i.e. C18 or SP2) broken down by grand average of hydropathy (GRAVY), net charge, or length.