Article
Factors controlling the uptake of yeast copper/zinc superoxide dismutase into mitochondria.
The Journal of biological chemistry - 25 Jul 2003
Field Lori Sturtz, Furukawa Yoshiaki, O'Halloran Thomas V, Culotta Valeria Cizewski
Abstract excerpt
We have previously shown that a fraction of yeast copper/zinc-superoxide dismutase (SOD1) and its copper chaperone CCS localize to the intermembrane space of mitochondria. In the present study, we have focused on the mechanism by which SOD1 is partitioned between cytosolic and mitochondrial pools. Using in vitro mitochondrial import assays, we show that only a very immature form of the SOD1 polypeptide that is...
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