5NBJ:
reference: New leads for fragment-based design of rhenium/technetium radiopharmaceutical agents., Brink A, Helliwell JR, IUCrJ. 2017 Apr 11;4(Pt 3):283-290. doi: 10.1107/S2052252517003475. eCollection, 2017 May 1. PMID: 28512575

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