Fig. 1: Addition of kifunensine during production in CHO cells affects spike trimer glycosylation.

a Schematic of construct design for recombinant SARS-CoV-2 spike proteins used in the current study. b Reduced ( + DTT) and non-reduced (-DTT) SDS-PAGE analysis, vertically separated numbers represent ladder separation in kDa, c monosaccharide analysis (HPAEC-PAD; mean of n = 3 technical replicates shown by open circles), and d analytical size exclusion chromatography (representative of multiple runs).