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Table 3 Comparing experimental binding affinity values for 10 protein-ligand complexes with predicted values obtained using both X-Score and the model developed in this study.

From: Four-body atomic potential for modeling protein-ligand binding affinity: application to enzyme-inhibitor binding energy prediction

 

pk d

ΔG

PDB code

Exp.

X-Score

Exp.

Our model

1ABE

6.52

5.25

-8.887610045

-10.3129

1ADB

8.40

8.01

-11.45029515

-23.3388

1ADD

6.74

5.36

-9.187498728

-13.1243

1AF2

3.10

4.90

-4.225704163

-10.0826

1ANF

5.46

6.03

-7.442691848

-9.59131

1CBX

6.35

5.74

-8.655877882

-11.6284

1DBM

9.44

6.65

-12.86795074

-14.9936

1DHF

7.40

5.27

-10.08716478

-13.1753

1GST

4.68

5.21

-6.379450155

-5.48917

1HPV

9.22

6.28

-12.56806206

-16.0903

 

X-Score: r = 0.67

Our model: r = 0.72

  1. Experimental ΔG data for the complexes are derived from the experimental pk d values.