Prenyltransferase (EC 2.5.1.1) has been purified to homogeneity from the supernatant fraction of yeast by ammonium sulfate fractionation, diethylaminoethyl-cellulose and hydroxylapatite chromatography, and column isoelectric focusing techniques. The active enzyme from isoelectric focusing columns emerged as a single symmetrical peak with specific activities 15- to 35-fold higher than previously reported preparations. The enzyme was found to be homogeneous by continuous polyacrylamide gel electrophoresis at pH 8.4 and discontinuous polyacrylamide gel electrophoresis at pH 6.9 as well as sodium dodecyl sulfate polyacrylamide electrophoresis at pH 7.0. By means of gel chromatography and sodium dodecyl sulfate polyacrylamide gel electrophoresis, the protein was shown to be a dimer with a molecular weight of 84,000 plus or minus 10%. The isoelectric point of the enzyme was determined to be 5.3. The enzyme synthesizes farnesyl and geranylgeranyl pyrophosphates from dimethylallyl, geranyl, and farnesyl pyrophosphates. Michaelis constants for the enzyme were 4, 8, and 14 mu M for isopentenyl, dimethylallyl, and geranyl pyrophosphates, respectively.
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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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