Figure 2.
(A) Conjugation of G31SH to maleimide-derivatized BSA to furnish NGP31b. (B) Overlaid MALDI-TOF-MS of singly-charged molecular ions of BSA ([M + H]+) and NGP31b ([M + H]+). GU, average number of glycan units (including linkers) per BSA; m/z, mass to charge ratio.