1XMP:
reference: Crystal structure of PurE (BA0288) from Bacillus anthracis at 1.8 A resolution., Boyle MP, Kalliomaa AK, Levdikov V, Blagova E, Fogg MJ, Brannigan JA, Wilson KS, Wilkinson AJ, Proteins 2005 Sep 1;. PMID: 16138311

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