4KN6:
reference: Role of Human Hypoxanthine Guanine Phosphoribosyltransferase in Activation of the Antiviral Agent T-705 (favipiravir)., Naesens L, Guddat LW, Keough DT, van Kuilenburg AB, Meijer J, Vande Voorde J, Balzarini J, Mol Pharmacol. 2013 Aug 1. PMID: 23907213

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