4OOL:
reference: Siderophore Receptor-Mediated Uptake of Lactivicin Analogues in Gram-Negative Bacteria., Starr J, Brown MF, Aschenbrenner L, Caspers N, Che Y, Gerstenberger BS, Huband M, Knafels JD, Lemmon MM, Li C, McCurdy SP, McElroy E, Rauckhorst MR, Tomaras AP, Young JA, Zaniewski RP, Shanmugasundaram V, Han S, J Med Chem. 2014 Apr 21. PMID: 24694215

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