Research Article

Structural and Functional Analysis of the Complex between Citrate and the Zinc Peptidase Carboxypeptidase A

Figure 2

The structures of CPA bound to the peptidomimetic BzlSA (a) and citrate (b) are schematically shown. Important residues for binding the zinc ion (sphere) are included. Water molecules shielding citrate are shown as wavy lines.
128676.fig.002a
(a)
128676.fig.002b
(b)