Figure 1: A monoclonal antibody (Murine IgG1, Intact mAb Mass Check Standard, 186006552, Waters) analyzed by ESI/LC/MS (A, top), expanded views of spectrum following noise filtering and PPL modeling (B, bottom left) and ProMass deconvolution (C, bottom right). The 4 peaks are the resolved glycosylation states of the antibody: 148223.1 Da (G0F-G0F), 148384.7 Da (G0F-G1F), 148546.8 Da (G1F-G1F), 148707.9 Da (G1F-G2F).
