5Z6J:
reference: High-pressure protein crystal structure analysis of Escherichia coli dihydrofolate reductase complexed with folate and NADP()., Nagae T, Yamada H, Watanabe N, Acta Crystallogr D Struct Biol. 2018 Sep 1;74(Pt 9):895-905. doi:, 10.1107/S2059798318009397. Epub 2018 Sep 3. PMID: 30198899

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