Background: Acidic activation domains function across eukaryotic species, and hence stimulate transcription by a conserved molecular mechanism. In contrast, glutamine-rich activation domains function in flies, mammals, and fission yeasts but not in the budding yeast Saccharomyces cerevisiae. The glutamine-rich activation domain of Sp1 interacts with TAF110, and it has been suggested that this interaction is important for transcriptional activation. S. cerevisiae does not contain a homologue of TAF110, suggesting a potential mechanism to account for the failure of glutamine-rich activation domains to stimulate transcription.
Results: Here, we have artificially recruited Drosophila TAF110 into the yeast TFIID complex by fusing it to yeast TBP. The resulting TFIID complex supports normal cell growth, but it is unable to mediate Sp1-dependent activation.
Conclusions: Thus, the interaction of glutamine-rich activation domains with TAF110 is insufficient for transcriptional activation in vivo, indicating that other targets within the PolII machinery are necessary.
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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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