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. 2022 Apr 29;11(5):881. doi: 10.3390/antiox11050881

Table 6.

Binding free energy score (S; kcal/mol) with binding interactions for different co-crystallized ligands and compound 28 within TNF-α (PDB ID: 2AZ5); TGFBR1 kinase (PDB ID: 6B8Y); and IL-1β (PDB ID: 6Y8M) binding sites.

Active Site Ligand Binding
Energy Score
(S; kcal/mol)
Ligand—Active Site Interactions
a. a. Residue Bond Type Bond Length (Å)
TNF-α
(PDB ID: 2AZ5)
Co-crystallized ligand −5.5254 GLN 61 H-donor 2.97
TYR 119 H-pi 4.08
Compound 28 −4.8903 GLY 121 H-donor 3.11
TGFBR1 kinase (PDB ID: 6B8Y) Co-crystallized ligand −5.102 ASP 351 H-donor 2.72
HIS 283 H-acceptor 2.89
LYS 232 pi-H 3.94
Compound 28 −5.7708 VAL 219 pi-H 4.27
VAL 219 pi-H 4.15
IL-1β (PDB ID: 6Y8M) Co-crystallized ligand −4.2536 MET 148 H-donor 2.73
MET 148 H-acceptor 2.94
THR 147 H-acceptor 2.62
GLN 149 H-acceptor 2.46
Compound 28 −3.9952 MET 148 pi-H 4.51
MET 148 pi-H 4.15