- BAG inhibitor was added to the cell medium for 24-h incubation before cell harvest. The concentration of BAG inhibitor is 0 (control), 0.2, 1, and 2 mM. F fucose, N HexNAc, H hexose, S Neu5Ac. (Standard deviation ≤10%) (The relative abundance is calculated by percentage of coverage from LC–MS/MS data)