Figure 2

Sulfated N-glycopeptides of tryptic palivizumab. (a) EICs of the triply charged ions at m/z 1120.1225 (black line) and m/z 1174.1401 (red line); (b) MS/MS spectrum of the G1F containing N-glycopeptide of m/z 1120.1225; (c) MS/MS spectrum of the [G1F + α-Gal] containing glycopeptide of m/z 1174.1401.