The DNA binding properties of the yeast TATA element-binding protein TFIID were investigated. The affinity (apparent equilibrium dissociation constant) of TFIID for the adenovirus major late promoter consensus TATA element is 2 x 10(-9) M, a value similar to the affinity of gene-specific regulatory proteins for their binding sites. TFIID binding is highly specific and recognizes nonspecific sites with approximately 10(5)-fold lower affinity. Despite this specificity, TFIID also binds with high affinity to several TATA elements that do not match the consensus TATA sequences (TATAAA and TATATA): the yeast LEU2 TATA (TATTATTTA), the simian virus 40 TATA (CTTATTTAT), and the yeast CYC1 -10 TATA (TTATACATT) all bound TFIID. Furthermore, TFIID was active in promoting transcription in vitro from the nonconsensus TATA elements. Thus, contrary to previous suggestions, the existence of nonconsensus TATA elements does not itself indicate the existence of multiple TATA-binding factors.
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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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