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Analysis of the glycan structure of SERPINA1 (YLGNATAIFFLPDEGK). (a) The glycan structure of the target glycopeptide, YLGNATAIFFLPDEGK, identified in SERPINA1, was deciphered using Byonic software. (b) MS/MS spectrum of the targeted glycopeptide was analyzed and annotated using Byonic software. (c) Structures of glycan and glycopeptide were manually annotated in the MS/MS (CID) spectrum based on Byonic analysis.
