Document Detail


A short C-terminal tail prevents mis-targeting of hydrophobic mitochondrial membrane proteins to the ER.
MedLine Citation:
PMID:  24055247     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Sdh3/Shh3, a subunit of mitochondrial succinate dehydrogenase, contains transmembrane domains with a hydrophobicity comparable to that of endoplasmic reticulum (ER) proteins. Here, we show that a C-terminal reporter fusion to Sdh3/Shh3 results in partial mis-targeting of the protein to the ER. This mis-targeting is mediated by the signal recognition particle (SRP) and depends on the length of the C-terminal tail. These results imply that if nuclear-encoded mitochondrial proteins contain strongly hydrophobic transmembrane domains and a long C-terminal tail, they have the potential to be recognized by SRP and mis-targeted to the ER.
Authors:
Johannes H Reithinger; Chewon Yim; Kwangjin Park; Patrik Björkholm; Gunnar von Heijne; Hyun Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-9-18
Journal Detail:
Title:  FEBS letters     Volume:  -     ISSN:  1873-3468     ISO Abbreviation:  FEBS Lett.     Publication Date:  2013 Sep 
Date Detail:
Created Date:  2013-9-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0155157     Medline TA:  FEBS Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013. Published by Elsevier B.V.
Affiliation:
School of Biological Sciences, Seoul National University, Seoul 151-747, South Korea; Center for Biomembrane Research, Department of Biochemistry and Biophysics, Stockholm University, SE-106 91 Stockholm, Sweden.
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