Figures & data
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Table 1. In vitro enzymatic and antiparasitic activities of selected hGSK-3β inhibitors.Table Footnotea
Figure 1. Binding mode into the LmjGSK-3 enzyme for ITDZ, TDZD, and HMK representative compounds. (A) Blind docking poses obtained from the most representative clusters for 2 (TDZD) and 4 (ITDZ) in the ATP binding site and the substrate binding site, respectively. (B) Superimposition of most representative regular docking results of ITDZ compounds 3 and 4. (C) Superimposition of the best covalent docking poses obtained for TDZDs (1 and 2) and HMK 5. (D) Detailed view of the covalent docking for compound 2.
![Figure 1. Binding mode into the LmjGSK-3 enzyme for ITDZ, TDZD, and HMK representative compounds. (A) Blind docking poses obtained from the most representative clusters for 2 (TDZD) and 4 (ITDZ) in the ATP binding site and the substrate binding site, respectively. (B) Superimposition of most representative regular docking results of ITDZ compounds 3 and 4. (C) Superimposition of the best covalent docking poses obtained for TDZDs (1 and 2) and HMK 5. (D) Detailed view of the covalent docking for compound 2.](/cms/asset/9732673c-3721-40bd-bcf5-af3ea4b0be64/ienz_a_1693704_f0001_c.jpg)
Figure 2. (A) Superposition of the human (purple) and Leishmania (green) GSK-3 enzymes. Key mutation in the ATP binding site is depicted as sticks. (B) Superposition of the poses of maleimide 13 in the human (purple) and Leishmania (green) GSK-3 enzymes.
![Figure 2. (A) Superposition of the human (purple) and Leishmania (green) GSK-3 enzymes. Key mutation in the ATP binding site is depicted as sticks. (B) Superposition of the poses of maleimide 13 in the human (purple) and Leishmania (green) GSK-3 enzymes.](/cms/asset/5b7b74ec-b36b-4437-8ca2-54d1a8a5c636/ienz_a_1693704_f0002_c.jpg)
Table 2. IC50 values of hGSK-3 and LdGSK-3 inhibition for hit compounds 71, 95, 119, 124, 128, 151 and 187.
Figure 3. Proposed binding mode for compound 95 with LmjGSK-3 (PDB code 3E3P) with the modelled decapeptide loop. Zoom of ATP binding pocket showed the most relevant interactions of 95 with nearby residues of the binding site.
![Figure 3. Proposed binding mode for compound 95 with LmjGSK-3 (PDB code 3E3P) with the modelled decapeptide loop. Zoom of ATP binding pocket showed the most relevant interactions of 95 with nearby residues of the binding site.](/cms/asset/1ef3b427-faaf-4269-9cc9-c9f4a12da333/ienz_a_1693704_f0003_c.jpg)
Figure 4. Docking results for the N-phenylpyrimidine-2-amines into modelled LmjGSK-3. (A) Superposition of compounds 124 (magenta), 119 (yellow) and 95 (purple) on LmjGSK-3 protein. Key residues were labelled. (B) Binding mode of compound 124. The main interactions were highlighted. (C) Binding mode of compound 119 showing the main interactions found in the complex.
![Figure 4. Docking results for the N-phenylpyrimidine-2-amines into modelled LmjGSK-3. (A) Superposition of compounds 124 (magenta), 119 (yellow) and 95 (purple) on LmjGSK-3 protein. Key residues were labelled. (B) Binding mode of compound 124. The main interactions were highlighted. (C) Binding mode of compound 119 showing the main interactions found in the complex.](/cms/asset/0735f348-5f25-42de-9315-1c59a074c1eb/ienz_a_1693704_f0004_c.jpg)
Figure 5. Proposed binding mode for the active benzoimidazole 71 into modelled LmjGSK-3 showing the main interactions found in the complex.
![Figure 5. Proposed binding mode for the active benzoimidazole 71 into modelled LmjGSK-3 showing the main interactions found in the complex.](/cms/asset/64396f88-56cc-451c-917e-fa00f07e7406/ienz_a_1693704_f0005_c.jpg)