The chaperonin Cct complex of the yeast Saccharomyces cerevisiae is composed of eight different subunits encoded by eight essential genes, CCT1-CCT8. This Cct complex is responsible for the folding of a number of proteins including actin and tubulin. We have isolated and characterized 22 multicopy suppressors of the temperature-sensitive allele, cct4-1, which encodes an altered protein with a G345D replacement that diminishes ATP hydrolysis. Fourteen of the suppressors encode ribosomal proteins, four have roles in ribosome biogenesis, two have phosphatase activities, one is involved in protein synthesis and one of the suppressors corresponded to Cct4p. Some of the suppressors also acted on certain cct1, cct2, cct3 and cct6 mutations. We suggest that certain overexpressed ribosomal and other proteins can act as weak chaperones, phenotypically alleviating the partial defects of mutationally altered Cct subunits.
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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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