5V1A:
reference: Recruitment of a SUMO isopeptidase to rDNA stabilizes silencing complexes by opposing SUMO targeted ubiquitin ligase activity., Liang J, Singh N, Carlson CR, Albuquerque CP, Corbett KD, Zhou H, Genes Dev. 2017 Apr 15;31(8):802-815. doi: 10.1101/gad.296145.117. Epub 2017 May , 9. PMID: 28487408

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