5FSY:
reference: Proximal ADP-ribose Hydrolysis in Trypanosomatids is Catalyzed by a Macrodomain., Haikarainen T, Lehtio L, Sci Rep. 2016 Apr 11;6:24213. doi: 10.1038/srep24213. PMID: 27064071

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