6R0P:
reference: Snapshots of ADP-ribose bound to Getah virus macro domain reveal an intriguing choreography., Ferreira-Ramos AS, Sulzenbacher G, Canard B, Coutard B, Sci Rep. 2020 Sep 2;10(1):14422. doi: 10.1038/s41598-020-70870-w. PMID: 32879358

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