Abstract
Members of the YidC/Oxa1/Alb3 protein family function in the biogenesis of membrane proteins in bacteria, mitochondria and chloroplasts. In Escherichia coli, YidC plays a key role in the integration and assembly of many inner membrane proteins. Interestingly, YidC functions both in concert with the Sec‐translocon and as a separate insertase independent of the translocon. Mitochondria of higher eukaryotes contain two distant homologues of YidC: Oxa1 and Cox18/Oxa2. Oxa1 is required for the insertion of membrane proteins into the mitochondrial inner membrane. Cox18/Oxa2 plays a poorly defined role in the biogenesis of the cytochrome c oxidase complex. Employing a genetic complementation approach by expressing the conserved region of yeast Cox18 in E. coli, we show here that Cox18 is able to complement the essential Sec‐independent function of YidC. This identifies Cox18 as a bona fide member of the YidC/Oxa1/Alb3 family.
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Dates
Type | When |
---|---|
Created | 17 years, 10 months ago (Oct. 8, 2007, 9:32 a.m.) |
Deposited | 1 year, 9 months ago (Oct. 31, 2023, 3:11 a.m.) |
Indexed | 4 days, 14 hours ago (Aug. 20, 2025, 8:45 a.m.) |
Issued | 17 years, 10 months ago (Oct. 8, 2007) |
Published | 17 years, 10 months ago (Oct. 8, 2007) |
Published Online | 17 years, 10 months ago (Oct. 8, 2007) |
Published Print | 17 years, 9 months ago (Nov. 1, 2007) |
@article{van_Bloois_2007, title={Saccharomyces cerevisiae Cox18 complements the essential Sec‐independent function of Escherichia coli YidC}, volume={274}, ISSN={1742-4658}, url={http://dx.doi.org/10.1111/j.1742-4658.2007.06094.x}, DOI={10.1111/j.1742-4658.2007.06094.x}, number={21}, journal={The FEBS Journal}, publisher={Wiley}, author={van Bloois, Edwin and Koningstein, Gregory and Bauerschmitt, Heike and Herrmann, Johannes M. and Luirink, Joen}, year={2007}, month=oct, pages={5704–5713} }