Figure 2 - full size

 

Figure 2.
FIGURE 2. Electron densities and interactions observed for the benzamidine molecule (A) and the sulfate ion at the S1 subsite and the catalytic site (B), respectively. The electron densities (blue cages) are contoured at the 1 level in the 2F[o] - F[c] map; interrupted lines and numbers indicate hydrogen bonds and distances, respectively.

The above figure is reprinted by permission from the ASBMB: J Biol Chem (2005, 280, 39309-39315) copyright 2005.