Eukaryotic Cell
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Eukaryotic Cell, August 2008, p. 1427-1431, Vol. 7, No. 8
1535-9778/08/$08.00+0     doi:10.1128/EC.00132-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Pet191 Is a Cytochrome c Oxidase Assembly Factor in Saccharomyces cerevisiae{triangledown} ,{dagger}

Oleh Khalimonchuk, Kevin Rigby, Megan Bestwick, Fabien Pierrel, Paul A. Cobine, and Dennis R. Winge*

University of Utah Health Sciences Center, Departments of Medicine and Biochemistry, Salt Lake City, Utah 84132

Received 11 April 2008/ Accepted 14 May 2008

The twin-Cx9C motif protein Pet191 is essential for cytochrome c oxidase maturation. The motif Cys residues are functionally important and appear to be present in disulfide linkages within a large oligomeric complex associated with the mitochondrial inner membrane. The import of Pet191 differs from that of other twin-Cx9C motif class of proteins in being independent of the Mia40 pathway.

* Corresponding author. Mailing address: University of Utah Health Sciences Center, Salt Lake City, UT 84132. Phone: (801) 585-5103. Fax: (801) 585-3432. E-mail: dennis.winge{at}hsc.utah.edu

{triangledown} Published ahead of print on 23 May 2008.

{dagger} Supplemental material for this article may be found at http://ec.asm.org/.

Eukaryotic Cell, August 2008, p. 1427-1431, Vol. 7, No. 8
1535-9778/08/$08.00+0     doi:10.1128/EC.00132-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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