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. 2021 Sep 14:1–15. doi: 10.1080/07391102.2021.1977698

Table 3.

The calculated MM-PBSA binding free energies of Spike, RdRp. Mpro and helicase complexes.

Protein ligand complex MM-PBSA (kcal/mol) Electrostatic energy (kcal/mol) ΔG Bind vdWc (kcal/mol) ΔG Solv GBd (kcal/mol)
Spike -Suramine −12.36 −10.452 −20.962 8.087
RdRp-Glycyrrhizin −13.54 −12.083 −24.326 9.442
Mpro-Imatinib −11.25 −9.301 −20.322 7.330
Helicase-Suramin −9.28 −8.567 −18.231 6.550