Dmc1 catalyzes homology search and strand exchange during meiotic recombination in budding yeast and many other organisms including humans. Here we reconstitute Dmc1 recombination in vitro using six purified proteins from budding yeast including Dmc1 and its accessory proteins RPA, Rad51, Rdh54/Tid1, Mei5-Sae3 and Hop2-Mnd1 to promote D-loop formation between ssDNA and dsDNA substrates. Each accessory protein contributed to Dmc1's activity, with the combination of all six proteins yielding optimal activity. The ssDNA binding protein RPA plays multiple roles in stimulating Dmc1's activity including by overcoming inhibitory effects of ssDNA secondary structure on D-loop reactions, and by elongating D-loops. In addition, we demonstrate that RPA limits inhibitory interactions of Hop2-Mnd1 and Rdh54/Tid1 that otherwise occur during assembly of Dmc1-ssDNA nucleoprotein filaments. Finally, we report interactions between the proteins employed in the biochemical reconstitution including a direct interaction between Rad51 and Dmc1 that is enhanced by Mei5-Sae3.
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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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| Evidence ID | Analyze ID | File | Description |
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