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. 2006 Oct 12;14(24):8295–8306. doi: 10.1016/j.bmc.2006.09.014

Figure 1.

Figure 1

The main interactions between quercetin-3-β-galactoside and SARS-CoV 3CLpro. (A) The binding conformations of quercetin-3-β-galactoside and SARS-CoV 3CLpro. The N atom of main chain of Glu166 forms two hydrogen bonds with quercetin-3-β-galactoside. The side chain of Gln189 accepts four strong hydrogen bonds with quercetin-3-β-galactoside, respectively. (B) Three dimensional representation of the binding between quercetin-3-β-galactoside and SARS-CoV 3CLpro. The blue dash denotes hydrogen bonds.