Polyketides and fatty acids are important in the production of pharmaceuticals, industrial chemicals, and biofuels. The synthesis of the malonyl-CoA building block, catalyzed by acetyl-CoA carboxylase (Acc1), is considered a limiting step to achieving high titers of polyketides and fatty acids in Saccharomyces cerevisiae. Acc1 is deactivated by AMP-activated serine/threonine protein kinase (Snf1) when glucose is depleted. To prevent this deactivation, the enzyme was aligned with the Rattus norvegicus (rat) Acc1 to identify a critical amino acid (Ser-1157) for phosphorylation and deactivation. Introduction of a S1157A mutation into Acc1 resulted in 9-fold higher specific activity following glucose depletion. The enzyme was tested in yeast engineered to produce the polyketide 6-methylsalisylic acid (6-MSA). Both 6-MSA and native fatty acid levels increased by 3-fold. Utilization of this modified Acc1 enzyme will also be beneficial for other products built from malonyl-CoA.
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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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