The yeast global transcriptional repressor Tup1 contains 7 WD repeats in its C-terminus that form a beta-propeller-like structure, in which the first and last WD repeats interact to make a closed circle. The WD domains of all proteins tested, including Tup1, form a compact structure resistant to trypsin digestion (Garcia-Higuera et al., Biochemistry 35 (1996) 13985-13994). We found that the in vitro formation of the trypsin-resistant core of Tup1 requires just five WD repeats (WD2-6). Deletion of the ST region between WD1 and WD2 destabilizes the trypsin-resistant core, but maintains Tup1 repression function in vivo. Linker insertion and point mutations in the WD repeats that compromise Tup1 repression function in vivo still maintain the trypsin-resistant core in vitro These results indicate that structural perturbation of the WD domain structure cannot explain the effects of these mutations on Tup1 repression function.
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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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