Pre-replicative complex (pre-RC) assembly is a critical part of the mechanism that controls the initiation of DNA replication, and ATP binding and hydrolysis by multiple pre-RC proteins are essential for pre-RC assembly and activation. Here, we demonstrate that Adk1p (adenylate kinase 1 protein) plays an important role in pre-RC assembly in Saccharomyces cerevisiae. Isolated from a genetic screen, adk1(G20S) cells with a mutation within the nucleotide-binding site were defective in replication initiation. adk1Δ cells were viable at 25 °C but not at 37°C. Flow cytometry indicated that both the adk1-td (temperature-inducible degron) and adk1(G20S) mutants were defective in S phase entry. Furthermore, Adk1p bound to chromatin throughout the cell cycle and physically interacted with Orc3p, whereas the Adk1(G20S) protein had a reduced ability to bind chromatin and Orc3p without affecting the cellular ATP level. In addition, Adk1p associated with replication origins by ChIP assay. Finally, Adk1-td protein depletion prevented pre-RC assembly during the M-to-G(1) transition. We suggest that Adk1p regulates ATP metabolism on pre-RC proteins to promote pre-RC assembly and activation.
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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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