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The best HypoGen pharmacophore model, Hypo1. (A) Chemical features present in Hypo1. (B) 3D spatial relationship and geometric parameters of Hypo1. (C) Mapping of the most active compound 1 on the best pharmacophore model, Hypo1. (D) Mapping of the least active compound 26 on Hypo1. Pharmacophore features are color-coded: green, hydrogen bond acceptor (HBA); cyan, hydrophobic (HY); orange, ring aromatic (RA); magenta, hydrogen bond donor (HBD); gray, excluded volume (EV).
