RNA localization is a widespread mechanism to achieve localized protein synthesis. In budding yeast, localization of ASH1 mRNA controls daughter cell-specific accumulation of the transcriptional regulator Ash1p, which determines mating type switching. ASH1 mRNA localization depends on four independently acting sequences ('zipcodes') within the mRNA. In addition, the class V myosin Myo4p and a set of She proteins with as yet unknown function are essential for ASH1 localization. Here we show that She2p is a novel RNA-binding protein that binds specifically to ASH1 mRNA in vivo and to ASH1 RNA zip codes in vitro. She2p can interact with She3 protein via She3p's C-terminus and becomes localized to the daughter cell tip upon ASH1 expression. The N-terminal coiled-coil domain of She3p is required to form an RNA-independent complex with the heavy chain of the myosin motor protein Myo4p. She2p and She3p are the first examples of adapters for tethering a localized mRNA to the motor protein and might serve as prototypes for RNA-motor protein adapters.
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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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