Skip to main content
. 2021 Sep 16;413(29):7241–7249. doi: 10.1007/s00216-021-03649-1

Fig. 1.

Fig. 1

High-resolution MALDI mass spectra for the doubly digested (trypsin + GluC) S-protein extricated from laboratory grown virus. Peaks labelled in bold represent regions containing mutations in major variants of concern