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(A) Sequence alignment for the amino acids of RdRp between SARS‐CoV‐2, SARS‐CoV, and MERS‐CoV. (B) A modeled structure of SARS‐CoV‐2 RdRp, SARS‐CoV RdRp, and MERS‐CoV RdRp and Grid box size for binding site using MODELLER. The active site (Val557) and grid box size (light yellow) were showed for binding site. MERS, Middle East respiratory syndrome; RdRp, RNA‐dependent RNA polymerase; SARS‐CoV, severe acute respiratory syndrome coronavirus
