4ZDX:
reference: Structural Basis for Enhancement of Carbapenemase Activity in the OXA-51 Family of Class D beta-Lactamases., Smith CA, Antunes NT, Stewart NK, Frase H, Toth M, Kantardjieff KA, Vakulenko S, ACS Chem Biol. 2015 Jun 12. PMID: 26042471

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