5CZU:
reference: Construction of an enterobactin analogue with symmetrically arranged monomer subunits of ferritin., Nakajima H, Kondo M, Nakane T, Abe S, Nakao T, Watanabe Y, Ueno T, Chem Commun (Camb). 2015 Dec 4;51(93):16609-12. doi: 10.1039/c5cc06904a. Epub, 2015 Sep 25. PMID: 26404005

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