1HW3:
reference: Structure of human thymidylate synthase suggests advantages of chemotherapy with noncompetitive inhibitors., Phan J, Steadman DJ, Koli S, Ding WC, Minor W, Dunlap RB, Berger SH, Lebioda L, J Biol Chem 2001 Apr 27;276(17):14170-7. PMID: 11278511

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