4QY9:
reference: Interactions of gold-based drugs with proteins: the structure and stability of the adduct formed in the reaction between lysozyme and the cytotoxic gold(iii) compound Auoxo3., Russo Krauss I, Messori L, Cinellu MA, Marasco D, Sirignano R, Merlino A, Dalton Trans. 2014 Nov 4;43(46):17483-8. doi: 10.1039/c4dt02332c. PMID: 25340580

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