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Molecular docking of the active compounds 12 and 13, as well as 5-FU, against thimidylate synthase (TS) protein 6QXG. (A) Binding mode of 12, 13, and 5-FU at the TS binding site, with a three-dimensional (3D) plot. (B) Binding mode of 12, 13, and 5-FU at the TS binding site on a two-dimensional (2D) plot. 5-FU: 5-fluorouracil.
