4XKP:
reference: Novel insights into nickel import in Staphylococcus aureus: the positive role of free histidine and structural characterization of a new thiazolidine-type nickel chelator., Lebrette H, Borezee-Durant E, Martin L, Richaud P, Boeri Erba E, Cavazza C, Metallomics. 2015 Jan 22. PMID: 25611161

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