4MRQ:
reference: Promotion of enzyme flexibility by dephosphorylation and coupling to the catalytic mechanism of a phosphohexomutase., Lee Y, Villar MT, Artigues A, Beamer LJ, J Biol Chem. 2014 Feb 21;289(8):4674-82. doi: 10.1074/jbc.M113.532226. Epub 2014 , Jan 8. PMID: 24403075

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