4HUS:
reference: Potential for reduction of streptogramin A resistance revealed by structural analysis of the VatA acetyltransferase., Stogios PJ, Kuhn ML, Evdokimova E, Courvalin P, Anderson WF, Savchenko A, Antimicrob Agents Chemother. 2014 Sep 15. pii: AAC.03743-14. PMID: 25223995

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