3UN7:
reference: The role of the beta5-alpha11 loop in the active-site dynamics of acylated penicillin-binding protein A from Mycobacterium tuberculosis., Fedarovich A, Nicholas RA, Davies C, J Mol Biol. 2012 May 18;418(5):316-30. Epub 2012 Feb 23. PMID: 22365933

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