| 1S4I: reference: A prokaryotic superoxide dismutase paralog lacking two Cu ligands: From largely unstructured in solution to ordered in the crystal., Banci L, Bertini I, Calderone V, Cramaro F, Del Conte R, Fantoni A, Mangani S, Quattrone A, Viezzoli MS, Proc Natl Acad Sci U S A 2005 May 24;102(21):7541-6. Epub 2005 May 16. PMID: 15897454 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).