6F5H:
reference: Identification and Structure-Guided Development of Pyrimidinone Based USP7 Inhibitors., O'Dowd CR, Helm MD, Rountree JSS, Flasz JT, Arkoudis E, Miel H, Hewitt PR, Jordan L, Barker O, Hughes C, Rozycka E, Cassidy E, McClelland K, Odrzywol E, Page N, Feutren-Burton S, Dvorkin S, Gavory G, Harrison T, ACS Med Chem Lett. 2018 Feb 21;9(3):238-243. doi: 10.1021/acsmedchemlett.7b00512., eCollection 2018 Mar 8. PMID: 29541367

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