5BTR:
reference: Structural basis for allosteric, substrate-dependent stimulation of SIRT1 activity by resveratrol., Cao D, Wang M, Qiu X, Liu D, Jiang H, Yang N, Xu RM, Genes Dev. 2015 Jun 15;29(12):1316-25. doi: 10.1101/gad.265462.115. PMID: 26109052

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