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. 2017 Feb 24;89(6):3318–3325. doi: 10.1021/acs.analchem.6b03756

Figure 3.

Figure 3

Performance of the peptide fragmentation techniques ETD, EThcD, and HCD for peptides with respect to their Mw and charge states (z). Combined data from Asp-N, Glu-C, and FA HeLa digests whereby the fragmentation parameters for ETD, EThcD, and HCD were optimized. The number of identifications as well as the XCorr distribution (as a measure for spectra quality) are categorized by their z and Mw ranges.