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. 2023 May 5;4(2):102326. doi: 10.1016/j.xpro.2023.102326

Figure 5.

Figure 5

Characterization of purified 3CLpro

(A) SDS-PAGE gel showing high quality of SARS-CoV-2 3CLpro sample. Lane a – molecular weight standards; Lane b – SARS-CoV-2 3CLpro post SEC purification (sample prepared as described above in "Size exclusion chromatography (SEC)" section) (B) ESI-MS profile of SARS-CoV-2 3CLpro showing the signal corresponding to an experimental molecular mass of 33,796 Da.