6AA5:
reference: Discovery of a new class of MTH1 inhibitor by X-ray crystallographic screening., Yokoyama T, Kitakami R, Mizuguchi M, Eur J Med Chem. 2019 Apr 1;167:153-160. doi: 10.1016/j.ejmech.2019.02.011. Epub, 2019 Feb 7. PMID: 30771603

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