Appenzeller, Christian and Andersson, Helena and Kappeler, Felix and Hauri, Hans-Peter. (1999) The lectin ERGIC-53 is a cargo transport receptor for glycoproteins. Nature Cell Biology , 1 (6). pp. 330-334.
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Official URL: http://edoc.unibas.ch/dok/A5257769
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Abstract
Soluble secretory proteins are transported from the endoplasmic reticulum (ER) to the ER-Golgi intermediate compartment (ERGIC) in vesicles coated with COP-II coat proteins. The sorting of secretory cargo into these vesicles is thought to involve transmembrane cargo-receptor proteins. Here we show that a cathepsin-Z-related glycoprotein binds to the recycling, mannose-specific membrane lectin ERGIC-53. Binding occurs in the ER, is carbohydrate- and calcium-ion-dependent and is affected by untrimmed glucose residues. Binding does not, however, require oligomerization of ERGIC-53, although oligomerization is required for exit of ERGIC-53 from the ER. Dissociation of ERGIC-53 occurs in the ERGIC and is delayed if ERGIC-53 is mislocalized to the ER. These results strongly indicate that ERGIC-53 may function as a receptor facilitating ER-to-ERGIC transport of soluble glycoprotein cargo.
Faculties and Departments: | 05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Pharmacology/Neurobiology (Hauri) 05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Molecular and Systems Toxicology (Odermatt) |
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UniBasel Contributors: | Hauri, Hans-Peter and Appenzeller-Herzog, Christian |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Nature Publishing Group |
ISSN: | 1465-7392 |
e-ISSN: | 1476-4679 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 12 Oct 2023 09:55 |
Deposited On: | 22 Mar 2012 14:13 |
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