5HIU:
reference: Structure of the Tuberous Sclerosis Complex 2 (TSC2) N-terminus Provides Insight into Complex Assembly and Tuberous Sclerosis Pathogenesis., Zech R, Kiontke S, Mueller U, Oeckinghaus A, Kummel D, J Biol Chem. 2016 Aug 4. pii: jbc.M116.732446. PMID: 27493206

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