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. 2012 Mar 5;11(7):O111.016774. doi: 10.1074/mcp.O111.016774

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© 2012 by The American Society for Biochemistry and Molecular Biology, Inc.

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Fig. 3. — HCD (upper panel) and ETD (lower panel) spectra of the E1BCW0 glycopeptide, IQPPPT(HexNAc₂)EALLTLPGPT(HexNAc)AAGPAGR. The precursor ion was at m/z 945.4967 (3+). In the HCD spectrum the Gs indicate the number of sugar units on the peptide fragment. In the ETD spectrum the fragments are fully glycosylated. However, sugar loss from the precursor ion was detected as indicated. labels the original and the charge-reduced precursor ions.

Inline graphic — HCD (upper panel) and ETD (lower panel) spectra of the E1BCW0 glycopeptide, IQPPPT(HexNAc₂)EALLTLPGPT(HexNAc)AAGPAGR. The precursor ion was at m/z 945.4967 (3+). In the HCD spectrum the Gs indicate the number of sugar units on the peptide fragment. In the ETD spectrum the fragments are fully glycosylated. However, sugar loss from the precursor ion was detected as indicated. labels the original and the charge-reduced precursor ions.