3DAT:
reference: X-ray structure of the ternary MTX.NADPH complex of the anthrax dihydrofolate reductase: a pharmacophore for dual-site inhibitor design., Bennett BC, Wan Q, Ahmad MF, Langan P, Dealwis CG, J Struct Biol. 2009 May;166(2):162-71. PMID: 19374017

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