4EQ1:
reference: Regulating the ARNT/TACC3 Axis: Multiple Approaches to Manipulating Protein/Protein Interactions with Small Molecules., Guo Y, Partch CL, Key J, Card PB, Pashkov V, Patel A, Bruick RK, Wurdak H, Gardner KH, ACS Chem Biol. 2013 Mar 15;8(3):626-35. doi: 10.1021/cb300604u. Epub 2012 Dec 26. PMID: 23240775

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