PRP11 is a gene that encodes an essential function for pre-messenger RNA (mRNA) processing in Saccharomyces cerevisiae. We have carried out a mutational study to locate essential and non-essential regions of the PRP11 protein. The existing temperature-sensitive (ts) mutation (prp11-1) was isolated from the chromosome of the original mutant and its position in the gene was determined. When the prp11-1 gene was transcribed from the GAL1 promoter, the overproduced protein was able to reverse the ts prp11-1 phenotype; this is compatible with the possibility that the defect in the prp11-1 gene product affects its binding to the spliceosome. Thirteen linker-insertion mutations were constructed. Only five (prp11-4, 11-6, 11-10, -13 and -14) resulted in a null phenotype. One of these became temperature-sensitive when the insertion was reduced in size from four (prp11-10) to two (prp11-15) amino acids. A sequence of ten amino acids of which also occurs in the human U1 small nuclear ribonucleoprotein particle (snRNP) A protein and the U2 snRNP B" protein, when deleted from PRP11, had no phenotype and thus appears to be nonessential for PRP11 function. However, a linker-insertion mutation (prp11-10) immediately adjacent to this region resulted in a null phenotype.
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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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