The yeast BAS1 protein is a transcriptional activator with an amino-terminal domain homologous to the DNA-binding domain of the oncoprotein Myb containing three imperfect tryptophan-rich repeats. In contrast to Myb-related transcription factors from higher eukaryotes, where the second and third repeat constitutes a minimal independent DNA-binding domain, all three repeats of BAS1 were found to be necessary for sequence-specific DNA binding. Moreover, an active DNA-binding subdomain was obtained only if the first repeat was enlarged in the amino-terminal direction to include 3 tryptophans and a 23-amino acid insertion and if 55 amino acids carboxyl-terminal to the third repeat were included. The BAS1 DNA-binding site was analyzed in detail and found to cover 8-9 base pairs with no similarity to the Myb recognition element. The binding site included a conserved hexameric TGACTC motif, the methylation of which abolished BAS1 binding, as well as a 3-base pair extension that seemed to have a modulatory effect on BAS1 affinity and where binding was less affected by methylation.
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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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