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An Ancient Gauge for Iron

The iron regulatory proteins IRP1 and IRP2 are critical to the import, export, and sequestration of iron for achievement of the cytosolic concentrations needed to support the synthesis of iron-binding proteins and for prevention of unfavorable iron-dependent oxidation events in mammalian cells. This perspective discusses reports by Vashisht et al. and Salahudeen et al. that human cells gauge cellular iron and concomitantly alter the activity of IRPs through a mechanism that depends on the protein FBXL5.

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Resource Type: Journal article/Issue, Illustration
Audience Level: Undergraduate lower division 13-14, Undergraduate upper division 15-16, Graduate, Professional (degree program), Continuing education

Author and Copyright

Authors and Editors: Tracey Rouault of Molecular Medicine Program, National Institute of Child Health and Human Development
Publisher: SCIENCE
Format: text/html
Copyright and other restrictions: Yes
Cost: No


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