Yeast genes under general amino acid control contain multiple copies of a sequence known as the TGACT repeat in the 5'-flanking DNA. The yeast TRP5 gene contains two copies of the TGACT repeat sequence in its 5'-flanking region. The upstream TGACT repeat of TRP5 is required for normal basal expression as well as derepression by general control. Synthetic oligonucleotides containing a TGACT sequence were inserted into previously constructed TRP5 control region deletion mutants. A synthetic 17-base pairs (bp) oligonucleotide containing a TGACT copy along with flanking nucleotides from HIS3 was able to restore derepression in all deletion mutants tested. The 17-bp oligonucleotide also functioned bidirectionally. Replacements in the upstream control region by synthetic oligonucleotides indicated that sequences other than the TGACT repeat are required for high basal expression. Replacements of the downstream repeat sequence by the 17-bp oligonucleotide suggest its main role in this position is for derepressed expression. High level derepressed expression was found to correlate with the presence of two repeats.
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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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