3QBU:
reference: The Structure of Helicobacter pylori HP0310 Reveals an Atypical Peptidoglycan Deacetylase., Shaik MM, Cendron L, Percudani R, Zanotti G, PLoS One. 2011 Apr 29;6(4):e19207. PMID: 21559431

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