2SOD:
reference: Determination and analysis of the 2 A-structure of copper, zinc superoxide dismutase., Tainer JA, Getzoff ED, Beem KM, Richardson JS, Richardson DC, J Mol Biol 1982 Sep 15;160(2):181-217. PMID: 7175933

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