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. 2022 Dec 15;31(2):191–206. doi: 10.1016/j.jsps.2022.12.003

Table 4.

Binding affinity of secondary metabolites of Ailanthus altissima with AChE.

Ligand No. Ligands Chemical Name Binding Affinity (kcal/mol) Type of Interactions
Hydrophobic Interactions Hydrogen Bonding
1. Sphalleroside A −8.20 Phe290, Phe331, Tyr334 Ser122, Glu199, His440
2. Verbenalin −8.60 Asp72, Trp84, Tyr121, Phe330 Gly118
3. 4′-O-Methyldavidioside −8.35 Phe330, Phe331, Tyr334 Asp72, Tyr121, Ser286
4. 2′,4′-Dihydroxy-2,3′,6′-trimethoxychalcone −7.48 Phe331, Tyr334 Gly117, Tyr130, Glu199
5. Heteroflavanone A −8.34 Tyr121, Phe330, Phe331, Tyr334 Phe288
6. Kanokoside A −9.89 Tyr121, Leu282, Phe290, Tyr334 Trp84, Gly118, Glu199, Phe288, His440
7. Lophirone J −8.25 Asp72, Trp84, Tyr121, Phe330, Tyr334 ---
8. (E)-Squamosamide −8.79 Tyr121, Trp279, Phe330, Phe331, Tyr334 Glu199, Phe288, Phe330
9. Lonchocarpenin −9.04 Asp72, Trp84, Phe330, Phe331, Tyr334, Ile444 Tyr121, Phe288
10. Cyclotricuspidogenin C −9.08 Tyr70, Asp72, Trp84, Trp279, Phe290, Phe330, Phe331, Tyr334, Ile444 Gly118, Glu199, Phe330, His440
11. 12-oxo-10Z-octadecenoic acid −8.00 Trp84, Phe330, Phe331, Tyr334 ---
12. Cyclopassifloic acid B −9.45 Trp84, Tyr121, Phe290, Phe330, Phe331, Tyr334 Tyr70, Gly117, Gly118, Glu199
13. Conessine −8.31 Trp84, Tyr121, Phe330, Phe331, Tyr334, Ile444 Gly117
14. Cognate Ligand −9.04 Trp84, Gly117, Gly118, Trp279 Phe330, Phe331, Tyr334. ---