The human transcription factor B-TFIID is comprised of TATA-binding protein (TBP) in complex with one TBP-associated factor (TAF) of 170 kDa. We report the isolation of the cDNA for TAFII170. By cofractionation and coprecipitation experiments, we show that the protein encoded by the cDNA encodes the TAF subunit of B-TFIID. Recombinant TAFII170 has (d)ATPase activity. Inspection of its primary structure reveals a striking homology with genes of other organisms, yeast MOT1, and Drosophila moira, which belongs to the Trithorax group. Both homologs were isolated in genetic screens as global regulators of pol II transcription. This supports our classification of B-TFIID as a pol II transcription factor and suggests that specific TBP-TAF complexes perform distinct functions during development.
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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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