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SiteMap analysis of the SARS-CoV-2 main protease in its A) monomeric and B) dimeric form. Domains of the protease are coloured in i), and catalytic residues His41 and Cys145 of the active site highlighted in grey. ii) depicts hydrogen acceptor (red) and hydrogen donor (blue) regions, while iii) shows hydrophilic (green) and hydrophobic (yellow) regions of predicted ligand binding sites.
