Phosphoenolpyruvate carboxykinase is a key enzyme in gluconeogenesis. The expression of the PCK1 gene in Saccharomyces cerevisiae is strictly regulated and dependent on the carbon source provided. Two upstream activation sites (UAS1PCK1 and UAS2PCK1) and one upstream repression site (URSPCK1) were localized by detailed deletion analysis. The efficacy of these three promoter elements when separated from each other was confirmed by investigations using heterologous promoter test plasmids. Activation mediated by UAS1PCK1 or UAS2PCK1 did not occur in the presence of glucose, indicating that these elements are essential for glucose derepression. The repressing effect caused by URSPCK1 was much stronger in glucose-grown cells than in ethanol-grown cells.
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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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