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Selected mass range comparison between the MALDI-TOF MS profiles of the permethylated N-glycans derived from wild type sCHO cells (A), Lec2 sCHO (B), and Lec13 sCHO (C). For complete annotation of the spectra, see supplemental Table S1. Data were obtained from the 50% MeCN fraction, and all molecular ions are present in sodiated form ([M + Na]+).
