1JK9:
reference: Heterodimeric structure of superoxide dismutase in complex with its metallochaperone., Lamb AL, Torres AS, O'Halloran TV, Rosenzweig AC, Nat Struct Biol 2001 Sep;8(9):751-5. PMID: 11524675

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