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. 2014 Jul 9;19(7):9944–9961. doi: 10.3390/molecules19079944

Figure 2.

Figure 2

Validation of the proposed method using glycopeptides from human serum IgG. (A) MALDI-TOF MS spectra of (i) Bz-labeled glycopeptides (ii) an equimolar mixture of Bz- and d-Bz-labeled glycopeptides (iii) d-Bz labeled glycopeptides; (B) Enlarged spectra of glycopeptides containing Hex3HexNAc3dHex1, Hex4HexNAc4dHex1, Hex4HexNAc5dHex1; (C) Plots of each peak in the equimolar mixture of Bz- and d-Bz-labeled glycopeptides. (red, blue is IgG1, IgG2/3 glycopeptides; circle, square is Bz-, d-Bz-labeled glycopeptides).