3ENW:
reference: Crystal structures of substrate and inhibitor complexes of ribose 5-phosphate isomerase A from Vibrio vulnificus YJ016., Kim TG, Kwon TH, Min K, Dong MS, Park YI, Ban C, Mol Cells. 2009 Jan;27(1):99-103. Epub 2009 Feb 5. PMID: 19214439

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