Reference: Krummeck G and Rödel G (1990) Yeast SCO1 protein is required for a post-translational step in the accumulation of mitochondrial cytochrome c oxidase subunits I and II. Curr Genet 18(1):13-5

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Abstract


Biogenesis of functional cytochrome c oxidase in yeast requires the product of the nuclear gene SCO1. Strains deleted for this gene fail to accumulate the mitochondrially-synthesized cytochrome c oxidase subunits I and II, despite the presence of the respective mRNAs. Here we present data which demonstrate that the observed phenotype does not result from a failure to translate the mRNAs, but from a preferential degradation of the newly synthesized subunits. The SCO1 protein is therefore involved in a post-translational step in the accumulation of cytochrome c oxidase subunits I and II. We propose that the SCO1 protein is required for the correct assembly of both subunits into the cytochrome c oxidase complex.

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Journal Article
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Krummeck G, Rödel G
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