1DQI:
reference: Structures of the superoxide reductase from Pyrococcus furiosus in the oxidized and reduced states., Yeh AP, Hu Y, Jenney FE Jr, Adams MW, Rees DC, Biochemistry 2000 Mar 14;39(10):2499-508. PMID: 10704199

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