We have isolated a new gene, NUP2, that encodes a constituent of the yeast-nuclear pore complex (NPC). The NUP2 protein sequence shares a central repetitive domain with NSP1 and NUP1, the two previously characterized yeast nucleoporins. Like NUP1 and NSP1, NUP2 localizes to discrete spots in the nuclear envelope, as determined by indirect immunofluorescence. Although the sequence similarity among these three nucleoporins suggests that they have a similar role in the nuclear pore complex, NUP2, in contrast to NSP1 and NUP1, is not required for growth. Some combinations of mutant alleles of NUP1, NSP1, and NUP2 display "synthetic lethal" relationships that provide evidence for functional interaction between these NPC components. This genetic evidence of overlapping function suggests that the nucleoporins act in concert, perhaps participating in the same step of the recognition or transit of macromolecules through the NPC.
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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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