5HFT:
reference: Biochemical and structural characterization of Klebsiella pneumoniae oxamate amidohydrolase in the uric acid degradation pathway., Hicks KA, Ealick SE, Acta Crystallogr D Struct Biol. 2016 Jun 1;72(Pt 6):808-16. doi:, 10.1107/S2059798316007099. Epub 2016 May 25. PMID: 27303801

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