4GJH:
reference: Single Amino Acid Substitutions Confer the Antiviral Activity of the TRAF3 Adaptor Protein onto TRAF5., Zhang P, Reichardt A, Liang H, Aliyari R, Cheng D, Wang Y, Xu F, Cheng G, Liu Y, Sci Signal. 2012 Nov 13;5(250):ra81. doi: 10.1126/scisignal.2003152. PMID: 23150880

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