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. 2023 Mar 31;21(1):e9. doi: 10.5808/gi.22077

Table 1.

Binding energy and Ki values between cinnamic acid derivatives and two MMP-9 inhibitors after docking with MMP-9

Ligand ID Ligand name Binding energy (kcal/mol) Ki
6124212 Cynarin –14.68 17.37 pM
1794427 Chlorogenic acid –12.62 557.56 pM
5281792 Rosmarinic acid –11.85 2.06 nM
5281787 Caffeic acid phenethyl ester –8.61 486.30 nM
5281759 Caffeic acid 3-glucoside –8.14 1.09 μM
5372945 N-p-Coumaroyltyramine –8.06 1.24 μM
689043 Caffeic acid –6.92 8.42 μM
444539 Cinnamic acid –6.90 8.76 μM
637775 Sinapinic acid –6.68 12.66 μM
637540 o-Coumaric acid –6.44 18.96 μM
445858 Ferulic acid –6.33 22.88 μM
637542 p-Coumaric acid –5.72 64.31 μM
21310926 MMP-9 Inhibitor I (Ctrl) –8.18 1.02 μM
137349476 H27 (Ctrl) –7.79 1.94 μM

Ki, inhibition constant; MMP-9, matrix metalloproteinase-9.