2MFR:
reference: Solution structure of the transmembrane domain of the insulin receptor in detergent micelles., Li Q, Wong YL, Kang C, Biochim Biophys Acta. 2014 May;1838(5):1313-21. doi:, 10.1016/j.bbamem.2014.01.005. Epub 2014 Jan 16. PMID: 24440425

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