Polymerase γ is solely responsible for fast and faithful replication of the mitochondrial genome. High processivity of the polymerase γ is often achieved by association of the catalytic subunit with accessory factors that enhance its catalytic activity and/or DNA binding. Here we characterize the intrinsic catalytic activity and processivity of the recombinant catalytic subunit of yeast polymerase γ, the Mip1 protein. We demonstrate that Mip1 can efficiently synthesize DNA stretches of up to several thousand nucleotides without dissociation from the template. Furthermore, we show that Mip1 can perform DNA synthesis on double-stranded templates utilizing a strand displacement mechanism. Our observations confirm that in contrast to its homologues in other organisms, Mip1 can function as a single-subunit replicative polymerase.
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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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