3QV8:
reference: The trypanocidal drug suramin and other trypan blue mimetics are inhibitors of pyruvate kinases and bind to the adenosine site., Morgan HP, McNae IW, Nowicki MW, Zhong W, Michels PA, Auld DS, Fothergill-Gilmore LA, Walkinshaw MD, J Biol Chem. 2011 Jul 5. PMID: 21733839

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