We describe the purification of the product of the GLN3 gene of Saccharomyces cerevisiae and the demonstration that the purified product, Gln3p, binds specifically to the DNA sequences GATAAG and GATTAG, previously identified as nitrogen-responsive upstream activation sequences (UASN). When Gln3p is overproduced, it is released from the cells in a highly aggregated form incapable of specific binding to UASN. We used Gln3p tagged with six histidine codons at the 5' terminus and equipped with a galactose-inducible promoter to overproduce histidine-tagged Gln3p. The material was denatured, adsorbed to an Ni-nitrilotriacetic acid (NTA)-agarose column, eluted with imidazole, and after renaturation further purified on a gel filtration column. We then demonstrated the specific binding of the more than 90% pure Gln3p to the UASN by gel shift and footprinting methods.
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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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