5A4P:
reference: Structure of UBE2Z provides functional insight into specificity in the FAT10 conjugation machinery., Schelpe J, Monte D, Dewitte F, Sixma TK, Rucktooa P, J Biol Chem. 2015 Nov 10. pii: jbc.M115.671545. PMID: 26555268

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