Figure 5. Figure 5 View of the mercury-binding site in a 2mF[o] - DF[c] electron-density map contoured at 3 and 10 (in blue and orange, respectively) showing clearly the multiple conformations of the Hg atom (red spheres) bound to the S of Cys36.
(in
blue and orange, respectively) showing clearly the multiple
conformations of the Hg atom (red spheres) bound to the S 
of
Cys36.