2MFM:
reference: Solution NMR studies of the plant peptide hormone CEP inform function., Bobay BG, Digennaro P, Scholl E, Imin N, Djordjevic MA, McK Bird D, FEBS Lett. 2013 Dec 11;587(24):3979-85. doi: 10.1016/j.febslet.2013.10.033. Epub , 2013 Nov 5. PMID: 24211833

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