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. 2022 Nov 22;10:1010642. doi: 10.3389/fchem.2022.1010642

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Copyright © 2022 Zhou, Cai, Wu and Lin.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Identification of the intact N-glycopeptide GNRTENFTK_N2H8. (A–C) Annotated MS/MS spectra from the three technical replicate RPLC-MS/MS runs; (D) fingerprinting map of the experimental (bar) and theoretical (dot) isotopic envelopes of the precursor ion; (E) graphical fragmentation map of the N-glycan moiety; and (F) extracted ion chromatograms of the precursor ion from the three technical replicate RPLC-MS/MS runs.= N-acetylglucosamine (Y),= mannose (M); au = arbitrary unit; IPMD = isotopic peak m/z deviation; IPAD = isotopic peak abundance deviation.

Inline graphic — Identification of the intact N-glycopeptide GNRTENFTK_N2H8. (A–C) Annotated MS/MS spectra from the three technical replicate RPLC-MS/MS runs; (D) fingerprinting map of the experimental (bar) and theoretical (dot) isotopic envelopes of the precursor ion; (E) graphical fragmentation map of the N-glycan moiety; and (F) extracted ion chromatograms of the precursor ion from the three technical replicate RPLC-MS/MS runs.= N-acetylglucosamine (Y),= mannose (M); au = arbitrary unit; IPMD = isotopic peak m/z deviation; IPAD = isotopic peak abundance deviation.