In both yeast and humans, DNA polymerase (Pol) eta functions in error-free replication of ultraviolet-damaged DNA, and Poleta promotes replication through many other DNA lesions as well. Here, we present evidence for the physical and functional interaction of yeast Poleta with proliferating cell nuclear antigen (PCNA) and show that the interaction with PCNA is essential for the in vivo function of Poleta. Poleta is highly inefficient at inserting a nucleotide opposite an abasic site, but interaction with PCNA greatly stimulates its ability for nucleotide incorporation opposite this lesion. Thus, in addition to having a pivotal role in the targeting of Poleta to the replication machinery stalled at DNA lesions, interaction with PCNA would promote the bypass of certain DNA lesions.
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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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