1OEE:
reference: YodA from Escherichia coli is a metal-binding, lipocalin-like protein., David G, Blondeau K, Schiltz M, Penel S, Lewit-Bentley A, J Biol Chem 2003 Oct 31;278(44):43728-35. Epub 2003 Aug 8. PMID: 12909634

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