3FPN:
reference: A Structural Model for the Damage-sensing Complex in Bacterial Nucleotide Excision Repair., Pakotiprapha D, Liu Y, Verdine GL, Jeruzalmi D, J Biol Chem. 2009 May 8;284(19):12837-44. Epub 2009 Mar 13. PMID: 19287003

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