3RFT:
reference: Crystal structure of uronate dehydrogenase from Agrobacterium tumefaciens., Parkkinen T, Boer H, Janis J, Andberg M, Penttila M, Koivula A, Rouvinen J, J Biol Chem. 2011 Jun 15. PMID: 21676870

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