In the yeast Saccharomyces cerevisiae, the enzymes which catalyse the synthesis of ethyl acetate, ethyl n-hexanoate and isoamyl acetate were partly resolved from a fraction containing slowly sedimenting lipoproteins released during cell disruption with glass beads. Solubilization with detergents and fractionation by affinity chromatography have demonstrated the presence of at least three, and probably four, ester synthases which differ in their catalytic properties. Isoamyl-acetate synthase was solubilized and extensively purified to apparent homogeneity by successive chromatographies on various columns. On the basis of its specific activity in cell-free extracts, the enzyme was purified 19,000-fold with a 5% activity yield. As judged by SDS/PAGE, it consists of a single polypeptide chain with a molecular mass of 57 +/- 3 kDa and its apparent pI is 5.5. The enzyme acetylates isoamyl alcohol, ethanol and 12-DL-hydroxystearic acid from acetyl-CoA but is unable to use n-hexanoyl-CoA as a cosubstrate. This enzyme, defined as an acetyl-CoA: O-alcohol acetyltransferase, could be the product of one of the anaerobically induced genes in S. cerevisiae.
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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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