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. 2022 Apr 13;27(8):2507. doi: 10.3390/molecules27082507

Figure 5.

Figure 5

Molecular docking modeling of curcumin and classic AhR ligands with AhR. Binding pockets predicted for AhR PAS-B domain. Binding models of TCDD and 3MC (A), FICZ, kynurenic acid (KYNA), and kynurenine (KYN) (B), curcumin (C), and CH233191 (D) in the context of human AhR are shown. Note that TCDD and 3MC bound on the classic binding site of AhR, while FICZ, KYN, and KYNA bound on a newfound ligand binding site of AhR. Curcumin bound to the classical binding site. AhR, Aryl hydrocarbon receptor; TCDD, Tetrachlorodibenzo-p-dioxin; IDO, Indoleamine 2,3-dioxygenase; FICZ, 6-Formylindolo[3,2-b] carbazole.