4KYA:
reference: Discovery of potent and selective inhibitors of thymidylate synthase for opportunistic infections., Zaware N, Sharma H, Yang J, Devambatla RK, Queener SF, Anderson KS, Gangjee A, ACS Med Chem Lett. 2013 Oct 4;4(12):1148-1151. PMID: 24470841

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