1NJ4:
reference: Crystal structure of wild-type penicillin-binding protein 5 from Escherichia coli: implications for deacylation of the acyl-enzyme complex., Nicholas RA, Krings S, Tomberg J, Nicola G, Davies C, J Biol Chem 2003 Dec 26;278(52):52826-33. Epub 2003 Oct 10. PMID: 14555648

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