1JCI:
reference: Cation-induced stabilization of the engineered cation-binding loop in cytochrome c peroxidase (CcP)., Bhaskar B, Bonagura CA, Li H, Poulos TL, Biochemistry 2002 Feb 26;41(8):2684-93. PMID: 11851415

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