Table 4 Binding energy contribution per residue from MM-GBSA calculation.

From: Targeting the receptor binding domain and heparan sulfate binding for antiviral drug development against SARS-CoV-2 variants

 

Residue

ΔE(vdW)

ΔE(Elec)

ΔE(Polar Solv)

ΔE(Non-polar Solv)

ΔG(Binding)

ACE

R454

 − 0.6 ± 0.5

 − 6.4 ± 2.7

1.6 ± 1.7

0.0 ± 0.0

 − 5.5 ± 1.3

R457

 − 2.6 ± 0.6

 − 1.0 ± 1.9

0.4 ± 1.9

 − 0.3 ± 0.1

 − 3.4 ± 1.6

D467

0.5 ± 1.2

 − 17.1 ± 5.7

13.4 ± 3.4

 − 0.2 ± 0.0

 − 3.4 ± 2.0

S469

 − 1.9 ± 0.4

1.3 ± 1.2

 − 0.8 ± 0.8

 − 0.2 ± 0.0

 − 1.7 ± 0.9

Y473

 − 1.6 ± 0.5

 − 0.2 ± 0.4

0.5 ± 0.3

 − 0.2 ± 0.1

 − 1.5 ± 0.6

HYP

R454

 − 0.7 ± 0.5

 − 2.5 ± 2.2

0.1 ± 1.7

0.0 ± 0.0

 − 3.1 ± 0.8

R457

 − 3.1 ± 0.5

 − 3.4 ± 2.6

3.9 ± 2.3

 − 0.3 ± 0.1

 − 2.9 ± 1.0

K458

 − 1.4 ± 0.8

 − 5.5 ± 2.0

5.6 ± 2.0

 − 0.2 ± 0.1

 − 1.5 ± 0.6

S459

 − 0.1 ± 0.7

 − 2.4 ± 1.8

0.8 ± 0.6

 − 0.1 ± 0.0

 − 1.8 ± 1.0

D467

 − 0.8 ± 1.1

 − 13.8 ± 1.7

11.1 ± 2.6

 − 0.1 ± 0.0

 − 2.0 ± 1.4

E471

 − 0.6 ± 1.0

 − 8.6 ± 6.7

6.1 ± 5.3

 − 0.3 ± 0.1

 − 3.3 ± 1.6

Y473

 − 1.5 ± 0.3

 − 1.1 ± 0.6

0.8 ± 0.4

 − 0.1 ± 0.1

 − 1.9 ± 0.5

ISO

R454

 − 0.3 ± 0.6

 − 5.7 ± 2.7

2.4 ± 1.9

 − 0.1 ± 0.0

 − 3.8 ± 1.2

D467

1.3 ± 1.0

 − 14.0 ± 3.0

9.3 ± 2.1

 − 0.1 ± 0.0

 − 3.5 ± 1.7

Y473

 − 2.9 ± 1.1

 − 0.4 ± 0.6

1.3 ± 0.9

 − 0.4 ± 0.1

 − 2.4 ± 0.8

CAG

R457

 − 1.2 ± 1.1

 − 5.2 ± 3.7

5.0 ± 3.4

 − 0.2 ± 0.2

 − 1.6 ± 1.7

K458

 − 1.9 ± 1.2

 − 7.4 ± 5.3

7.8 ± 5.2

 − 0.4 ± 0.2

 − 1.8 ± 1.7

Y473

 − 1.9 ± 1.3

 − 0.5 ± 0.9

1.2 ± 1.4

 − 0.3 ± 0.2

 − 1.5 ± 1.1

ORO

F486

 − 1.7 ± 2.1

 − 0.2 ± 0.5

0.5 ± 0.7

 − 0.3 ± 0.4

 − 1.6 ± 2.1

CGA

R457

 − 2.4 ± 1.2

 − 6.6 ± 4.9

5.0 ± 3.7

 − 0.3 ± 0.1

 − 4.4 ± 1.9

K458

 − 2.1 ± 1.6

 − 8.0 ± 4.8

8.3 ± 5.0

 − 0.4 ± 0.3

 − 2.2 ± 1.7

S469

 − 1.0 ± 0.7

 − 0.4 ± 1.7

0.2 ± 0.9

 − 0.2 ± 0.1

 − 1.4 ± 0.7

E471

 − 0.4 ± 0.9

 − 6.6 ± 4.5

5.4 ± 3.1

 − 0.2 ± 0.1

 − 1.7 ± 1.5