Endoplasmic reticulum (ER)-associated degradation (ERAD) is a specialized activity of the ubiquitin-proteasome system that is involved in clearing the ER of aberrant proteins and regulating the levels of specific ER-resident proteins. Here we show that the yeast ER-SNARE Ufe1, a syntaxin (Qa-SNARE) involved in ER membrane fusion and retrograde transport from the Golgi to the ER, is prone to degradation by an ERAD-like mechanism. Notably, Ufe1 is protected against degradation through binding to Sly1, a known SNARE regulator of the Sec1-Munc18 (SM) protein family. This mechanism is specific for Ufe1, as the stability of another Sly1 partner, the Golgi Qa-SNARE Sed5, is not influenced by Sly1 interaction. Thus, our findings identify Sly1 as a discriminating regulator of SNARE levels and indicate that Sly1-controlled ERAD might regulate the balance between different Qa-SNARE proteins.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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Evidence ID | Analyze ID | File | Description |
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