3ZFH:
reference: Structure of Pseudomonas aeruginosa inosine 5'-monophosphate dehydrogenase., Rao VA, Shepherd SM, Owen R, Hunter WN, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 Mar 1;69(Pt 3):243-7. doi:, 10.1107/S1744309113002352. Epub 2013 Feb 22. PMID: 23519796

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