Figure 4. Stereoview of the (2F[o]−F[c]) electron density
map (contoured at 1.3σ) of the active site in the S102A mutant
structure. The electron density and the side-chain for one of
the Znligands (His370) are omitted for clarity.
The above figure is reprinted
by permission from Elsevier:
J Mol Biol