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10.1016/j.bbrep.2021.100969

http://scihub22266oqcxt.onion/10.1016/j.bbrep.2021.100969
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suck abstract from ncbi


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pmid33681482      Biochem+Biophys+Rep 2021 ; 26 (ä): 100969
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  • In silico investigation of potential inhibitors to main protease and spike protein of SARS-CoV-2 in propolis #MMPMID33681482
  • Harisna AH; Nurdiansyah R; Syaifie PH; Nugroho DW; Saputro KE; Firdayani; Prakoso CD; Rochman NT; Maulana NN; Noviyanto A; Mardliyati E
  • Biochem Biophys Rep 2021[Jul]; 26 (ä): 100969 PMID33681482show ga
  • Docking analysis of propolis's natural compound was successfully performed against SARS-CoV-2 main protease (Mpro) and spike protein subunit 2 (S2). Initially, the propolis's protein was screened using chromatography analysis and successfully identified 22 compounds in the propolis. Four compounds were further investigated, i.e., neoblavaisoflavone, methylophiopogonone A, 3'-Methoxydaidzin, and genistin. The binding affinity of 3'-Methoxydaidzin was -7.7 kcal/mol, which is similar to nelfinavir (control), while the others were -7.6 kcal/mol. However, we found the key residue of Glu A:166 in the methylophiopogonone A and genistin, even though the predicted binding energy slightly higher than nelfinavir. In contrast, the predicted binding affinity of neoblavaisoflavone, methylophiopogonone A, 3'-Methoxydaidzin, and genistin against S2 were -8.1, -8.2, -8.3, and -8.3 kcal/mol, respectively, which is far below of the control (pravastatin, -7.3 kcal/mol). Instead of conventional hydrogen bonding, the pi bonding influenced the binding affinity against S2. The results reveal that this is the first report about methylophiopogonone A, 3'-Methoxydaidzin, and genistin as candidates for anti-viral agents. Those compounds can then be further explored and used as a parent backbone molecule to develop a new supplementation for preventing SARS-CoV-2 infections during COVID-19 outbreaks.
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