6WG5:
reference: Crystal structure of the nucleotide-metabolizing enzyme NTPDase4., Gorelik A, Labriola JM, Illes K, Nagar B, Protein Sci. 2020 Aug 6. doi: 10.1002/pro.3926. PMID: 32767432

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