1GYC:
reference: Crystal structure of a laccase from the fungus Trametes versicolor at 1.90-A resolution containing a full complement of coppers., Piontek K, Antorini M, Choinowski T, J Biol Chem 2002 Oct 4;277(40):37663-9. PMID: 12163489

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