3UWL:
reference: The structure of Enterococcus faecalis thymidylate synthase provides clues about folate bacterial metabolism., Pozzi C, Ferrari S, Cortesi D, Luciani R, Stroud RM, Catalano A, Costi MP, Mangani S, Acta Crystallogr D Biol Crystallogr. 2012 Sep;68(Pt 9):1232-41. doi:, 10.1107/S0907444912026236. Epub 2012 Aug 18. PMID: 22948925

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