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. 2016 Feb 16;6:20918. doi: 10.1038/srep20918

Figure 1. Conformational differences between the active protomer (protomer A) of SARS-3CLpro and the R298A mutant (drawn by PYMOL1.4.1).

Figure 1

The active protomer of SARS-3CLpro (PDB ID 1UK2) and the R298A mutant (PDB ID 2QCY) are shown in green and cyan, respectively. The most distinguishable characteristic of the R298A mutant is the formation of a short 310-helix instead of an active-site loop in residues Ser139-Phe140-Leu141.