3H9A:
reference: Analysis of multiple crystal forms of Bacillus subtilis BacB suggests a role for a metal ion as a nucleant for crystallization., Rajavel M, Gopal B, Acta Crystallogr D Biol Crystallogr. 2010 May;66(Pt 5):635-9. Epub 2010, Apr 21. PMID: 20445239

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