1I8T:
reference: UDP-galactopyranose mutase has a novel structure and mechanism., Sanders DA, Staines AG, McMahon SA, McNeil MR, Whitfield C, Naismith JH, Nat Struct Biol. 2001 Oct;8(10):858-63. PMID: 11573090

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