3NAG:
reference: The structures of Thermoplasma volcanium phosphoribosyl pyrophosphate synthetase bound to ribose-5-phosphate and ATP analogs., Cherney MM, Cherney LT, Garen CR, James MN, J Mol Biol. 2011 Nov 4;413(4):844-56. Epub 2011 Sep 21. PMID: 21963988

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