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. 2012 Mar;23(3):438–446. doi: 10.1681/ASN.2011070701

Figure 5.

Figure 5.

MALDI linear-TOF mass spectra of glycopeptides bearing O-glycans from the hinge region of 6-19 and 46-42 IgA RF mAbs. The glycoforms are indicated above the corresponding glycopeptide peaks (open square, GalNAc; open circle, Gal; open diamond, Neu5Gc). Peaks without indication of glycoforms were derived from other peptides. m/z, mass-to-charge ratio.