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. Author manuscript; available in PMC: 2014 Sep 17.

Published in final edited form as: Anal Chem. 2013 Aug 30;85(18):10.1021/ac4009995. doi: 10.1021/ac4009995

Representative Q-TOF tandem mass spectra of peptides and glycopeptides. (a) MS/MS spectrum of the peptide DTLMISR. (b) MS/MS spectrum of glycopeptide Hex₅HexNAc₄Fuc₁Neu5Ac₁-EEQYNSTYR from IgG1 (c) MS/MS spectrum of Hex₃HexNAc₄Fuc₁- EEQFNSTFR from IgG2. ( ) N-acetylglucosamine ( ) mannose ( ) galactose (○) hexose ( ) fucose ( ) N-acetyl neuraminic acid

Inline graphic — Representative Q-TOF tandem mass spectra of peptides and glycopeptides. (a) MS/MS spectrum of the peptide DTLMISR. (b) MS/MS spectrum of glycopeptide Hex₅HexNAc₄Fuc₁Neu5Ac₁-EEQYNSTYR from IgG1 (c) MS/MS spectrum of Hex₃HexNAc₄Fuc₁- EEQFNSTFR from IgG2. ( ) N-acetylglucosamine ( ) mannose ( ) galactose (○) hexose ( ) fucose ( ) N-acetyl neuraminic acid