Research Article

The Underlying Molecular Mechanisms Involved in Traditional Chinese Medicine Smilax china L. for the Treatment of Pelvic Inflammatory Disease

Table 1

Docking table with bonding characterization and binding energies in kcal/mol with 14 active compounds involved in five therapeutic targets.

No.NameStructureGlide G-scoreMM-GBSA dG bind (kcal/mol)Bonding interactionBond typeBinding protein

4Polydatin−8.846−44.64ASP A 158, GLU A 62, GLU B 360, ASN A 145, SER A 144H-accMAPK1 (PDB ID: 5ax3 native ligand G-score: −8.713)
TYR A 27, GLN A 45H-don
LYS A 45Pi-cation
5Resveratrol−7.539−37.18GLN B 192, SER B 530H-accPTGS2 (PDB ID: 5kir native ligand G-score: −9.800)
HIE B 90H-don
TRP B 387Pi-pi stacking
10Rutin−7.320−53.30SER A 68H-accLCN2 (PDB ID: 1x89 native ligand G-score: −7.190)
ARG A 81H-don
TYR A 106Pi-pi stacking
LYS A 125Pi-cation
11Kaempferol−7.734−47.73ALA B 191, GLY B 233H-accMMP9 (PDB ID: 5ue4 native ligand G-score: −8.661)
HIS B 230H-don
PHE B 110Pi-pi stacking
12Dihydrokaempferol−8.167−32.82GLU A 62, ASP A 158, GLU A 24, MET A 99H-accMAPK1
GLN A 96H-don
LYS A 45Pi-cation
17Quercetin−8.367−38.06ASP A 158, GLU B 360, GLU A 62H-accMAPK1
GLN A 96H-don
LYS A 45Pi-cation
18Isorhamnetin−9.757−51.06SER B 530, GLN B 192H-accPTGS2
PHE B 518, TYR B 385H-don
21Piceatannol−8.673−40.61GLU B 360, GLU A 62, ASP A 158,H-accMAPK1
GLN A 96H-don
LYS A 45Pi-cation
30Oxyresveratrol−9.241−56.71ALA B 191, HIS B 230, GLY B 233H-accMMP9
PHE B 110, TYR B 179Pi-pi stacking
44Moracin M−9.326−37.01GLU A 62, GLU B 360, MET A 99H-accMAPK1
GLN A 96H-don
48Dihydroquercetin−7.020−41.83TYR D 151H-accTNF (PDB ID: 2az5 native ligand G-score: −7.879)
TYR D 59Pi-pi stacking
58Kaempferide−7.962−47.23GLY B 233, ALA B 191H-accMMP9
HIS B 230H-don
PHE B 110Pi-pi stacking
60Gramine−7.452−30.51GLY A 121H-accTNF
62Dihydrokaempferide−7.638−38.65GLN B 192H-accPTGS2
TYR B 385H-don

MM-GBSA dG bind: the binding energy of the receptor and ligand as calculated by the prime energy, a molecular mechanics + implicit solvent energy. Function (kcal/mol) = prime energy (optimized complex) − prime energy (optimized free ligand) − prime energy (optimized free receptor).