3MS2:
reference: The binding of beta-d-glucopyranosyl-thiosemicarbazone derivatives to glycogen phosphorylase: A new class of inhibitors., Alexacou KM, Tenchiu Deleanu AC, Chrysina ED, Charavgi MD, Kostas ID, Zographos SE, Oikonomakos NG, Leonidas DD, Bioorg Med Chem. 2010 Nov 15;18(22):7911-22. Epub 2010 Sep 22. PMID: 20947361

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