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. 2023 Jul 20;8(3):233–247. doi: 10.1038/s41551-023-01067-5

Extended Data Fig. 6. Normalization of glycopeptide abundances to peptide-level measurements.

Extended Data Fig. 6

a. Ratios of glycopeptide:adjacent peptides across COVID-19 severity classes, measured by parallel MRM-HR of both glycopeptide and adjacent peptides. b. Normalisation of IgA glycopeptides is robust to different subclasses (IGHA1, IGHA2). c. Non-modified peptides corresponding to measured glycopeptides (AHSG S346, TF N630) may vary differently to adjacent (containing no glycosite) peptides.