Protein Structure from Scientific Research

Alignment of the crystal structure of the double mutant M49K/S301P with that of the WT 3CLpro in the post-cleavage state (PDB code: 7E5X). The C-terminal tail from another molecule of 3CLpro in the M49K/S301P structure and that in the WT 3CLpro structure were shown as sticks and colored magentas and yellow, respectively.

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