Siderocalin (also known as lipocalin 2) is a component of the innate immune system that binds and sequesters bacterial iron compounds in the blood and urine. A new study identifies iron–catechol complexes as endogenous ligands for siderocalin, which can deliver the iron compounds to the kidney.
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Philpott, C. Getting a grip on iron. Nat Chem Biol 6, 568–570 (2010). https://doi.org/10.1038/nchembio.411
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DOI: https://doi.org/10.1038/nchembio.411
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