Fig. 2: Combined extracted ion chromatogram (EIC) for 140 observed Spike protein glycopeptides. | Communications Biology

Fig. 2: Combined extracted ion chromatogram (EIC) for 140 observed Spike protein glycopeptides.

From: Identification, mapping and relative quantitation of SARS-CoV-2 Spike glycopeptides by Mass-Retention Time Fingerprinting

Fig. 2

Combined extracted ion chromatogram (EIC) for 140 observed Spike protein glycopeptides separated by 60-min reverse-phase LC–MS run showing peak resolution for peptides of different sequence, and also different glycoforms of the same peptide, which are unresolved and coelute within a 4-min retention time window. Peak volume (area) can be used to estimate the relative abundance of each glycopeptide species.

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