Structural basis of the iron storage function of frataxin from single-particle reconstruction of the iron-loaded oligomer.

Abstract excerpt

The mitochondrial protein frataxin plays a central role in mitochondrial iron homeostasis, and frataxin deficiency is responsible for Friedreich ataxia, a neurodegenerative and cardiac disease that affects 1 in 40000 children. Here we present a single-particle reconstruction from cryoelectron microscopic images of iron-loaded 24-subunit oligomeric frataxin particles at 13 and 17 A resolution. Computer-aided...

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