期刊
TRENDS IN BIOCHEMICAL SCIENCES
卷 35, 期 2, 页码 74-82出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibs.2009.10.001
关键词
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资金
- Foundation for Research on Neurodegenerative Diseases
- Fondazione San Salvatore
- Swiss National Center of Competence in Research
- Swiss National Science Foundation
- Synapsis Foundation
- Bangerter-Rhyner Foundation
- ETH Zurich
The processing of Winked glycans determines secretory protein homeostasis in the eukaryotic cell. Folding and degradation of glycoproteins in the endoplasmic reticulum (ER) are regulated by molecular chaperones and enzymes recruited by specific oligosaccharide structures. Recent findings have identified several components of this protein quality control system that specifically modify Winked glycans, thereby generating oligosaccharide structures recognized by carbohydrate-binding proteins, lectins. In turn, lectins direct newly synthesized polypeptides to the folding, secretion or degradation pathways. The glyco-code of the ER displays the folding status of a multitude of cargo proteins. Deciphering this code will be instrumental in understanding protein homeostasis regulation in eukaryotic cells and for intervention because such processes can have crucial importance for clinical and industrial applications.
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