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. Author manuscript; available in PMC: 2017 Dec 31.
Published in final edited form as: J Proteome Res. 2016 Sep 12;15(10):3624–3634. doi: 10.1021/acs.jproteome.6b00429

Figure 2.

Figure 2

CID MS/MS of a Glycopeptide with 1059.1000 m/z shown in Figure 1. Glycopeptide assignment for the +2 and +3 charge state fragments is shown here. The five core N-glycan and Y1 (peptide + HexNAc) are observed in the spectrum, thus facilitating confident structural assignment. Symbols: GlcNAc, blue squares; Man, green circles; Gal, yellow circles; NeuNAc, magenta diamonds. Oxonium ions are marked with asterisks.