4PUV:
reference: Azide inhibition of urate oxidase., Gabison L, Colloc'h N, Prange T, Acta Crystallogr F Struct Biol Commun. 2014 Jul;70(Pt 7):896-902. doi:, 10.1107/S2053230X14011753. Epub 2014 Jun 18. PMID: 25005084

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