1G9T:
reference: Crystal structures of free, IMP-, and GMP-bound Escherichia coli hypoxanthine phosphoribosyltransferase., Guddat LW, Vos S, Martin JL, Keough DT, de Jersey J, Protein Sci 2002 Jul;11(7):1626-38. PMID: 12070315

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