GAL4 is a transcriptional activator of the galactose metabolism genes in the yeast Saccharomyces cerevisiae. We show that GAL4 expressed in yeast activated transcription equally well when a single GAL4 binding site was placed at any of nine positions upstream of the GAL1 (galactokinase gene) "TATA box." We chose a sufficient number of positions for the binding site to ensure that, in several of these positions, GAL4 was on the opposite side of the DNA helix with respect to the TATA box. Smaller GAL4 derivatives were similar to wild-type GAL4 in that they also activated transcription in a manner independent of the side of the DNA helix they bound with respect to the TATA box. Unlike wild-type GAL4, however, these smaller GAL4 derivatives activated transcription better when we placed a binding site progressively closer to the TATA box over a distance of 34 base pairs.
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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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