Sec7 protein (Sec7p) is required for membrane traffic in the yeast secretory pathway. Because Sec7p regulates more than one stage in the pathway, it has been difficult to assign the most proximal requirement for Sec7p action. We have engineered a novel mutant whose Sec7p levels are regulated by growth conditions and by selective protein destabilization according to the N-end rule. Sec7p depletion causes cell growth arrest and accumulation of transport proteins with post-translational modifications indicative of Sec7p dependence for ER-to-Golgi traffic, in addition to the already characterized Golgi requirements. Immuno-EM of sec7 revealed exaggeration of ER and Golgi membranes with protein accumulation in these exaggerated structures, suggesting that these regions may represent staging areas for cargo sorting and vesicle assembly.
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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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