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. Author manuscript; available in PMC: 2019 Sep 4.
Published in final edited form as: J Am Soc Mass Spectrom. 2015 Aug 13;26(12):2096–2104. doi: 10.1007/s13361-015-1230-y

Fig. 4.

Fig. 4.

ECD product-ion mass spectra of the (a) doubly protonated precursor [M + 2H]2+, (b) singly sodiated precursor [M + H + Na]2+, and c doubly sodiated precursor [M + 2Na]2+ of phosphorylated tyrosine kinase peptide 3