4OWC:
reference: The binding of platinum hexahalides (Cl, Br and I) to hen egg-white lysozyme and the chemical transformation of the PtI6 octahedral complex to a PtI3 moiety bound to His15., Tanley SW, Starkey LV, Lamplough L, Kaenket S, Helliwell JR, Acta Crystallogr F Struct Biol Commun. 2014 Sep 1;70(Pt 9):1132-4. doi:, 10.1107/S2053230X14014009. Epub 2014 Aug 29. PMID: 25195880

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