Extended Data Fig. 2: Optimal fragments of R1, R2 and R3, and chemical structures and bioactivities of compounds generated by combination of the optimal fragments. | Nature Microbiology

Extended Data Fig. 2: Optimal fragments of R1, R2 and R3, and chemical structures and bioactivities of compounds generated by combination of the optimal fragments.

From: An orally available Mpro inhibitor is effective against wild-type SARS-CoV-2 and variants including Omicron

Extended Data Fig. 2

(a) Optimal fragments of R1, R2 and R3 obtained in a stepwise optimization process. (b) Compounds 5a-p [epimeric mixtures, (R)-epimers, and (S)-epimers]. Enzymatic inhibitory activities (IC50) and biophysical activities [thermal shift (∆Tm) values] were measured by the FRET and DSF assays, respectively. Data are shown as mean ± SD, n = 3 biological replicates.

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