1DYR:
reference: The structure of Pneumocystis carinii dihydrofolate reductase to 1.9 A resolution., Champness JN, Achari A, Ballantine SP, Bryant PK, Delves CJ, Stammers DK, Structure 1994 Oct 15;2(10):915-24. PMID: 7866743

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