5EKM:
reference: Programming A Molecular Relay for Ultrasensitive Biodetection through Xe NMR., Wang Y, Roose BW, Philbin JP, Doman JL, Dmochowski IJ, Angew Chem Int Ed Engl. 2015 Dec 21. doi: 10.1002/anie.201508990. PMID: 26692420

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