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Mol Gen Genet. 1989 Mar;216(1):37-43.

Accumulation of the cytochrome c oxidase subunits I and II in yeast requires a mitochondrial membrane-associated protein, encoded by the nuclear SCO1 gene.

Author information

1
Institut für Genetik und Mikrobiologie, Universität München, Federal Republic of Germany.

Abstract

The yeast nuclear SCO1 gene is required for accumulation of the mitochondrially synthesized cytochrome c oxidase subunits I and II (COXI and COXII). We cloned and characterized the SCO1 gene. It codes for a 0.9 kb transcript. DNA sequence analysis predicts a 33 kDa protein. As shown by in vitro transcription and translation experiments in combination with import studies on isolated mitochondria, this protein is matured into a 30 kDa polypeptide which is tightly associated with a mitochondrial membrane. The possible function of the SCO1 gene product in the assembly of cytochrome c oxidase is discussed.

PMID:
2543907
DOI:
10.1007/bf00332228
[Indexed for MEDLINE]

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