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. Author manuscript; available in PMC: 2017 Aug 16.
Published in final edited form as: Anal Chem. 2016 Aug 8;88(16):8158–8165. doi: 10.1021/acs.analchem.6b01901

Figure 3.

Figure 3

Percent of total product ion abundance arising from neutral loss of phosphate from the precursor ion of unmodified and Schiff based-labeled phosphopeptides subjected to CID.