3VYN:
reference: Crystal structure of L,D-transpeptidase LdtMt2 in complex with meropenem reveals the mechanism of carbapenem against Mycobacterium tuberculosis., Li WJ, Li DF, Hu YL, Zhang XE, Bi LJ, Wang DC, Cell Res. 2013 May;23(5):728-31. doi: 10.1038/cr.2013.53. Epub 2013 Apr 16. PMID: 23588382

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