In Figure 5 of this Research Article, the bottom image was incorrect (a duplicate of the top image). The correct bottom image has been provided here. The authors sincerely apologize for this error.
Figure 5 (correct bottom image) Enzyme activity assay of 3CLpro with 1–42 (C=control, no inhibitor; I=known covalent inhibitor GC376) at a concentration of […] 50 μM. Values and error bars are derived from three independent experiments.