2QK8:
reference: Crystal Structure of the Anthrax Drug Target, Bacillus anthracis Dihydrofolate Reductase., Bennett BC, Xu H, Simmerman RF, Lee RE, Dealwis CG, J Med Chem. 2007 Aug 14;. PMID: 17696333

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