Figure 4 - full size

 

Figure 4.
FIGURE 4. Stereoview comparing the binding modes of E2 (orange) bound to SULT1A1 and DHEA bound to SULT2A1. The productive or catalytic orientation of DHEA is shown in green, and the nonproductive orientation is in black. PAP (light blue) and the catalytic His108 (gray) of SULT1A1 are shown in a ball-and-stick representation.

The above figure is reprinted by permission from the ASBMB: J Biol Chem (2005, 280, 41482-41486) copyright 2005.