Transcription of Saccharomyces cerevisiae Ty2-917 retrotransposon depends on regulatory elements both upstream and downstream of the transcription initiation site. An upstream activation sequence (UAS) and a downstream enhancer stimulate transcription synergistically. Here we show that activation by both of these sites depends on the GCR1 product, a transcription factor which also regulates the genes encoding yeast glycolytic enzymes. Eliminating GCR1 causes a 100-fold decrease in transcription of Ty2-917. Activation by the isolated Ty2-917 UAS also strongly depends on GCR1. Unexpectedly, GCR1-dependent activation by the Ty2-917 enhancer is strongly position-dependent. Activation by the enhancer in its normal position within the transcription unit depended strongly on GCR1, but eliminating GCR1 reduced activation only three-fold when the enhancer was moved upstream of the transcribed region. Gel mobility shift and DNaseI protection assays indicated that GCR1 binds specifically to multiple sites within the Ty2-917 UAS and enhancer regions.
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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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