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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: J Proteome Res. 2009 Feb;8(2):734–742. doi: 10.1021/pr800766f

Figure 1.

Figure 1

Figure 1

(A) Photodissociation (B) PSD spectrua of singly-charged glycopeptide A obtained in the MALDI TOF-TOF mass spectrometer. (C) Photodissociation and (D) PSD spectra of glycopeptide A after deglycosylation. In all figures, peptide fragments are labeled with lower-case letters while glycan fragments are labeled with capital letters. Delta (Δ) denotes fragments corresponding to loss of the whole glycan via cleavage of the N-glycosidic bond or the amide bond on asparagine side chain. Asterisk (*) represents loss of ammonia.