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Schematic diagrams showing hydrogen-bonding, water-bridged, and hydrophobic interactions between α-APA and HIV-1 RT at different stages of the unbinding process. Amino acid residues of HIV-1 RT that have hydrophobic interactions with α-APA are shown as spiked spheres (hydrophobic interactions with distances of less than 3.5 Å). Direct and water-bridged hydrogen-bonding interactions are indicated by dashed lines.
