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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
13
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pubmed:dateCreated |
1997-7-21
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pubmed:abstractText |
Glycopeptides are transported from the lumen of the yeast endoplasmic reticulum (ER) to the cytosol and in contrast to secretory proteins do not enter ER-to-Golgi transport vesicles. In a cell-free system, this process is ATP- and cytosol-dependent. While yeast cytosol promotes the export of glycopeptides from mammalian ER in vitro, glycopeptide release cannot be detected in the presence of mammalian cytosol. We demonstrate that this is due to an N-glycanase activity in mammalian cytosol rather than lack of glycopeptide transport activity in mammalian microsomes. Monitoring the amount of glycopeptide enclosed in ER membranes we show the cytosol- and ATP-dependent release of glycopeptide from mammalian microsomes. The fact that glycopeptide export can be achieved with ER and cytosol derived from heterologous sources indicates that glycopeptide export from the ER is an important process conserved during evolution.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-14731467,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-1496016,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-2380180,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-2688707,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-3594573,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-486141,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-6656655,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-7964447,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-7982488,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8021270,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8139511,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8175683,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8294864,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8348620,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8625414,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8781238,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8846796,
http://linkedlifedata.com/resource/pubmed/commentcorrection/9192633-8943015
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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 |
Jun
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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 |
24
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pubmed:volume |
94
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6730-4
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
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pubmed:year |
1997
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pubmed:articleTitle |
Similar processes mediate glycopeptide export from the endoplasmic reticulum in mammalian cells and Saccharomyces cerevisiae.
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pubmed:affiliation |
Medical Research Council Laboratory for Molecular Cell Biology and Department of Biochemistry, University College London, Gower Street, London WC1E 6BT, United Kingdom.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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