3VCO:
reference: Structure and kinetics assays of recombinant Schistosoma mansoni dihydrofolate reductase., Serrao VHB, Romanello L, Cassago A, de Souza JRT, Cheleski J, DeMarco R, Brandao-Neto J, Pereira HD, Acta Trop. 2017 Jun;170:190-196. doi: 10.1016/j.actatropica.2017.03.007. Epub, 2017 Mar 11. PMID: 28288799

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