Nsp1p interacts with nuclear pore proteins Nup49p, Nup57p and Nic96p in a stable complex which participates in nucleocytoplasmic transport. An additional p80 component is associated with Nsp1p, but does not co-purify with tagged Nup57p, Nup49p and Nic96p. The p80 gene was cloned and encodes a novel essential nuclear pore protein named Nup82p. Immunoprecipitation of tagged Nup82p reveals that it is physically associated with a fraction of Nsp1p which is distinct from Nsp1p found in a complex with Nup57p, Nic96p and Nup49p. The Nup82 protein can be divided into at least two different domains both required for the essential function, but it is only the carboxy-terminal domain, exhibiting heptad repeats, which binds to Nsp1p. Yeast cells depleted of Nup82p stop cell growth and concomitantly show a defect in poly(A)+RNA export, but no major alterations of nuclear envelope structure and nuclear pore density are seen by EM. This shows that Nsp1p participates in multiple interactions at the NPC and thus has the capability to physically interact with different NPC structures.
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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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