3EEL:
reference: Probing the active site of Candida glabrata dihydrofolate reductase with high resolution crystal structures and the synthesis of new inhibitors., Liu J, Bolstad DB, Smith AE, Priestley ND, Wright DL, Anderson AC, Chem Biol Drug Des. 2009 Jan;73(1):62-74. PMID: 19152636

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