3CBC:
reference: The siderocalin/enterobactin interaction: a link between mammalian immunity and bacterial iron transport., Abergel RJ, Clifton MC, Pizarro JC, Warner JA, Shuh DK, Strong RK, Raymond KN, J Am Chem Soc. 2008 Aug 27;130(34):11524-34. Epub 2008 Aug 5. PMID: 18680288

This OCA Structure page
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