4U7F:
reference: Quinone Reductase 2 Is an Adventitious Target of Protein Kinase CK2 Inhibitors TBBz (TBI) and DMAT., Leung KK, Shilton BH, Biochemistry. 2015 Jan 13;54(1):47-59. doi: 10.1021/bi500959t. Epub 2014 Nov 18. PMID: 25379648

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