6VNU:
reference: Metallocenyl 7-ACA Conjugates: Antibacterial Activity Studies and Atomic-Resolution X-ray Crystal Structure with CTX-M beta-Lactamase., Lewandowski EM, Szczupak L, Kowalczyk A, Mendoza G, Arruebo M, Jacobs LMC, Staczek P, Chen Y, Kowalski K, Chembiochem. 2020 Mar 17. doi: 10.1002/cbic.202000054. PMID: 32182393

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