Cleaning up in the endoplasmic reticulum: ubiquitin in charge.
Cleaning up in the endoplasmic reticulum: ubiquitin in charge.
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DOI:
10.1038/nsmb.2793
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发表时间:
2014-04
影响因子:
16.8
通讯作者:
Ye, Yihong
中科院分区:
文献类型:
--
作者:
Christianson, John C.;Ye, Yihong
The eukaryotic endoplasmic reticulum (ER) maintains protein homeostasis by eliminating unwanted proteins through the evolutionarily conserved ER-associated degradation (ERAD) pathway. During ERAD, maturation-defective and surplus polypeptides are evicted from the ER lumen and/or lipid bilayer through the process of retrotranslocation and ultimately degraded by the proteasome. An integral facet of the ERAD mechanism is the ubiquitin system, composed of the ubiquitin modifier and the factors for assembling, processing and binding ubiquitin chains on conjugated substrates. Beyond simply marking polypeptides for degradation, the ubiquitin system is functionally intertwined with retrotranslocation machinery to transport polypeptides across the ER membrane.
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影响因子:
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DOI:
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发表时间:
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期刊:
NATURE STRUCTURAL BIOLOGY
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