Figure 4.
Figure 4 2F[o] - F[c] map showing electron density for a sulfate
molecule at the active site. Hydrogen bonds with His57, Ser195
and Gly193 are also shown.
The above figure is reprinted
by permission from the IUCr:
Acta Crystallogr D Biol Crystallogr
(2001,
57,
1506-1512)
copyright 2001.
