1UKY:
reference: Substrate specificity and assembly of the catalytic center derived from two structures of ligated uridylate kinase., Muller-Dieckmann HJ, Schulz GE, J Mol Biol 1995 Mar 3;246(4):522-30. PMID: 7877173

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