Previously we showed that the yeast proteins Spt16 (Cdc68) and Pob3 are physically associated, and interact physically and genetically with the catalytic subunit of DNA polymerase alpha, Pol1 [Wittmeyer and Formosa (1997) Mol. Cell. Biol. 17, 4178-4190]. Here we show that purified Spt16 and Pob3 form a stable, abundant, elongated heterodimer and provide evidence that this is the functional form of these proteins. Genetic interactions between mutations in SPT16 and POB3 support the importance of the Spt16-Pob3 interaction in vivo. Spt16, Pob3, and Pol1 proteins were all found to localize to the nucleus in S. cerevisiae. A portion of the total cellular Spt16-Pob3 was found to be chromatin-associated, consistent with the proposed roles in modulating chromatin function. Some of the Spt16-Pob3 complex was found to copurify with the yeast DNA polymerase alpha/primase complex, further supporting a connection between Spt16-Pob3 and DNA replication.
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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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Increase the total number of rows showing on this page by using the pull-down located below the table, or use the page scroll at the table's top right to browse through the table's pages; use the arrows to the right of a column header to sort by that column; filter the table using the "Filter" box at the top of the table; click on the small "i" buttons located within a cell for an annotation to view further details about experiment type and any other genes involved in the interaction.
| 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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