1Y7A:
reference: Metal Specificity Is Correlated with Two Crucial Active Site Residues in Escherichia coli Alkaline Phosphatase(,)., Wang J, Stieglitz KA, Kantrowitz ER, Biochemistry 2005 Jun 14;44(23):8378-86. PMID: 15938627

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).