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. Author manuscript; available in PMC: 2013 Feb 15.
Published in final edited form as: Int J Mass Spectrom. 2012 Feb 15;312:97–106. doi: 10.1016/j.ijms.2011.06.021

Figure 4. Deconvoluted static nanospray tandem mass spectra of two glycovariant peptides.

Figure 4

Figure 4

(A) MS/MS of a glycopeptide at m/z 1227.85 (z = 3) detected in Spot 3 was deconvoluted to singly charged fragment ions. (B) glycopeptide at m/z 1347.09 (z = 2) detected in Spot 6 was deconvoluted to singly charged fragment ions. Both glycopeptides were attributed to the following peptide sequence [cGLVPVAENYNK] modified by different glycan structures. m/z values correspond to the observed singly charged species.