5IE9:
reference: Crystal structure of the Bacillus-conserved MazG protein, a nucleotide pyrophosphohydrolase., Kim MI, Hong M, Biochem Biophys Res Commun. 2016 Mar 25;472(1):237-42. doi:, 10.1016/j.bbrc.2016.02.097. Epub 2016 Feb 23. PMID: 26920050

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