4DES:
reference: Flavonoid interactions with human transthyretin: Combined structural and thermodynamic analysis., Trivella DB, Dos Reis CV, Lima LM, Foguel D, Polikarpov I, J Struct Biol. 2012 Oct;180(1):143-53. doi: 10.1016/j.jsb.2012.07.008. Epub 2012 , Jul 25. PMID: 22842046

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