5NQR:
reference: Targeted NUDT5 inhibitors block hormone signaling in breast cancer cells., Page BDG, Valerie NCK, Wright RHG, Wallner O, Isaksson R, Carter M, Rudd SG, Loseva O, Jemth AS, Almlof I, Font-Mateu J, Llona-Minguez S, Baranczewski P, Jeppsson F, Homan E, Almqvist H, Axelsson H, Regmi S, Gustavsson AL, Lundback T, Scobie M, Stromberg K, Stenmark P, Beato M, Helleday T, Nat Commun. 2018 Jan 17;9(1):250. doi: 10.1038/s41467-017-02293-7. PMID: 29343827

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