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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
7
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pubmed:dateCreated |
2004-2-18
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pubmed:abstractText |
A 16-kDa plastid envelope protein was identified by chemical crosslinking that interacts with the precursor of NADPH:protochlorophyllide oxdidoreductase A (pPORA) during its posttranslational import into isolated barley chloroplasts. Protein purification and subsequent protein sequencing showed that the 16-kDa protein is an ortholog of a previously identified outer plastid envelope protein, Oep16. A protein of identical size was present in barley etioplasts and interacted with pPORA. Similar 16-kDa protein-dependent crosslink products of pPORA were detected in wheat, pea, and Arabidopsis chloroplasts. Database analyses revealed that the 16-kDa protein belongs to a family of preprotein and amino acid transporters found in free-living bacteria and endosymbiotic mitochondria and chloroplasts. Antibodies raised against the 16-kDa protein inhibited import of pPORA, highlighting its role in protein import.
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pubmed:commentsCorrections |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0027-8424
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:day |
17
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pubmed:volume |
101
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2203-8
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pubmed:dateRevised |
2011-11-17
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pubmed:meshHeading |
pubmed-meshheading:14769929-Amino Acid Sequence,
pubmed-meshheading:14769929-Chloroplast Proteins,
pubmed-meshheading:14769929-Cross-Linking Reagents,
pubmed-meshheading:14769929-Evolution, Molecular,
pubmed-meshheading:14769929-Intracellular Membranes,
pubmed-meshheading:14769929-Ion Channels,
pubmed-meshheading:14769929-Membrane Transport Proteins,
pubmed-meshheading:14769929-Molecular Sequence Data,
pubmed-meshheading:14769929-Molecular Weight,
pubmed-meshheading:14769929-Oxidoreductases Acting on CH-CH Group Donors,
pubmed-meshheading:14769929-Plant Cells,
pubmed-meshheading:14769929-Plant Proteins,
pubmed-meshheading:14769929-Plants,
pubmed-meshheading:14769929-Plastids,
pubmed-meshheading:14769929-Protein Binding,
pubmed-meshheading:14769929-Protein Precursors,
pubmed-meshheading:14769929-Protein Transport
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pubmed:year |
2004
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pubmed:articleTitle |
The outer plastid envelope protein Oep16: role as precursor translocase in import of protochlorophyllide oxidoreductase A.
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pubmed:affiliation |
Université Joseph Fourier et Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5575, BP53, F-38041 Grenoble Cedex 9, France. steffen.reinbothe@ujf-grenoble.fr
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pubmed:publicationType |
Journal Article
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