Protein phosphorylation is a widespread posttranslational modification that regulates almost all cellular functions. To investigate the large number of phosphorylation events with unknown functions, we monitored the concentrations of several hundred intracellular metabolites in Saccharomyces cerevisiae yeast strains with deletions of 118 kinases or phosphatases. Whereas most deletion strains had no detectable difference in growth compared to wild-type yeast, two-thirds of deletion strains had alterations in metabolic profiles. For about half of the kinases and phosphatases encoded by the deleted genes, we inferred specific regulatory roles on the basis of knowledge about the affected metabolic pathways. We demonstrated that the phosphatase Ppq1 was required for metal homeostasis. Combining metabolomic data with published phosphoproteomic data in a stoichiometric model enabled us to predict functions for phosphorylation in the regulation of 47 enzymes. Overall, we provided insights and testable predictions covering greater than twice the number of known phosphorylated enzymes in yeast, suggesting extensive phosphorylation-dependent regulation of yeast metabolism.
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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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Evidence ID | Analyze ID | File | Description |
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