3U3Y:
reference: Defects in DNA degradation revealed in crystal structures of TREX1 exonuclease mutations linked to autoimmune disease., Bailey SL, Harvey S, Perrino FW, Hollis T, DNA Repair (Amst). 2011 Nov 7. PMID: 22071149

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