4PWE:
reference: Inhibitory Activities of Propolis and Its Promising Component, Caffeic Acid Phenethyl Ester, against Amyloidogenesis of Human Transthyretin., Yokoyama T, Kosaka Y, Mizuguchi M, J Med Chem. 2014 Nov 13;57(21):8928-35. doi: 10.1021/jm500997m. Epub 2014 Oct 20. PMID: 25314129

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