TABLE 2.
Contribution of individual energy component in the binding of SARS-CoV-2 WT, Delta, and Omicron with the human ACE2 receptor.
| Complex | vdW kcal/mol | Electrostatic kcal/mol | EGB kcal/mol | Esurf kcal/mol | ΔG solvated kcal/mol | ΔG binding kcal/mol |
|---|---|---|---|---|---|---|
| WT RBD-ACE2 | -79.99 | -1,330.09 | 1,394.96 | -15.38 | 1,379.58 | -26.62 |
| Delta RBD-ACE2 | -85.60 | -1,669.66 | 1738.70 | -12.65 | 1726.05 | -29.21 |
| Omicron RBD-ACE2 | -102.59 | -1980.67 | 2044.90 | -14.13 | 2030.76 | -52.50 |