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LC-ESI-QqTOF-MS/MS spectra of the tryptic glycopeptides (a) EK*VLTSSAR (Lys 211) at m/z 752.4233 (+2), (b) GACLLPK*IETMR (Lys 204) at m/z 951.5091 (+2), (c) VTK*CCTESLVNR (Lys 498) at m/z 990.4813 (+2) and FK*DLGEEHFK (Lys 36) at m/z 881.9491 (+2).
