Figure 3From: A short update on the structure of drug binding sites on neurotransmitter transportersEPS of open-to-out (purple) DAT (A), NET (B), and SERT (C) models viewed from the extracellular side. Negative areas are colored red, positive areas are colored blue, and white areas are neutral. The entrance of S1 is seen in the lower right area, and S2 is localized above this area relative to the viewer.Back to article page