Article
Mechanism for multiple ligand recognition by the human transferrin receptor.
PLoS biology - 1 Dec 2003
Giannetti Anthony M, Snow Peter M, Zak Olga, Björkman Pamela J
Abstract excerpt
Transferrin receptor 1 (TfR) plays a critical role in cellular iron import for most higher organisms. Cell surface TfR binds to circulating iron-loaded transferrin (Fe-Tf) and transports it to acidic endosomes, where low pH promotes iron to dissociate from transferrin (Tf) in a TfR-assisted process. The iron-free form of Tf (apo-Tf) remains bound to TfR and is recycled to the cell surface, where the complex...
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