Endoplasmic reticulum-associated degradation (ERAD) is a process that clears the early secretory pathway of misfolded proteins. Though ERAD is of basic biological importance, the clinical importance of this pathway is emphasized by the fact that mutations that render a protein subject to the ERAD quality control pathway underlie the cause of several diseases. The yeast, Saccharomyces cerevisiae, is a valuable and frequently used model system to study biological processes, such as ERAD, as it is a relatively simple model system for which numerous biochemical and genetic tools are available. In addition, the ERAD system is highly conserved between yeast and man. In this chapter, we describe two methods for the analysis of model substrates that undergo catabolism via the ERAD pathway using S. cerevisiae. In particular, we will describe non-radioactive degradation assays and the analysis of substrate ubiquitylation in vivo with or without the use of ubiquitin overexpression systems. We also describe technical hurdles, which we have encountered in our research, and highlight remedies to overcome them.
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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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