The ubiquitin?proteasome system directly impacts the metabolism of heavy metals and yeast has become an im- portant model in understanding this interplay. We demonstrate that yeast mutants with defects in proteasome function are able to tolerate elevated levels of copper. In the course of our analysis, we isolate a yeast mutant that not only negates this copper tolerance in proteasome mutants, but renders yeast exquisitely sensitive to this metal. To better understand the nature of the defect, we carry out a plasmid-based genetic screen to identify high-copy suppressors of this strong copper sensitivity. We identify four genes not previously known to be asso- ciated with copper metabolism: CDC53, PSP1, YNL200C, and YPL260W. The latter is a highly conserved fungal gene of no known function. Here, we undertake the first characterization of YPL260W. We demonstrate YPL260W to have a role in bleomycin tolerance with links to DNA repair and proteasome function.
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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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