The Ccr4-Not complex is involved in several aspects of gene expression, including mRNA decay, translational repression and transcription. We determined the 2.8-Å-resolution crystal structure of a 120-kDa core complex of the Saccharomyces cerevisiae Not module comprising the C-terminal arm of Not1, Not2 and Not5. Not1 is a HEAT-repeat scaffold. Not2 and Not5 have extended regions that wrap around Not1 and around their globular domains, the Not boxes. The Not boxes resemble Sm folds and interact with each other with a noncanonical dimerization surface. Disruption of the interactions within the ternary complex has severe effects on growth in vivo. The ternary complex forms a composite surface that binds poly(U) RNA in vitro, with a site at the Not5 Not box. The results suggest that the Not module forms a versatile platform for macromolecular interactions.
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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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| Evidence ID | Analyze ID | File | Description |
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