The general transcription factor TFIID is composed of TATA-binding protein (TBP) and 14 TBP-associated factors (TAFs). TFIID mediates the transcriptional activation of a subset of eukaryotic promoters. The N-terminal domain (TAND) of TAF1 protein (Taf1p) inhibits TBP by binding to its concave and convex surfaces. This study examines the role of the TAND in transcriptional regulation and tests whether the TAND is an autonomous regulator of TBP. The TAND binds to and regulates TBP function when it is fused to the amino or carboxy terminus of Taf1p, the amino or carboxy terminus of Taf5p, or the amino terminus of Taf11p. However, a carboxy-terminal fusion of the TAND and Taf11p is not compatible with several other TAF proteins, including Taf1p, in the TFIID complex. These results indicate that there is no or minimal geometric constraint on the ability of the TAND to function normally in transcriptional regulation as long as TFIID assembly is secured.
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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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