5MHD:
reference: Structure and pharmaceutical formulation development of a new long-acting recombinant human insulin analog studied by NMR and MS., Bednarek E, Sitkowski J, Bocian W, Borowicz P, Plucienniczak G, Stadnik D, Surmacz-Chwedoruk W, Jaworska B, Kozerski L, J Pharm Biomed Anal. 2017 Feb 20;135:126-132. doi: 10.1016/j.jpba.2016.12.005., Epub 2016 Dec 15. PMID: 28024260

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