Origin recognition complex (ORC) is a six subunit complex that functions as the replication initiator and is required for silencing the HML and HMR loci in the yeast Saccharomyces cerevisiae. The roles of ORC5 in replication initiation and silencing were investigated to determine whether the two roles were mechanistically coincident or separable. Some spontaneous revertants of orc5-1 were functional for replication initiation, but not silencing. Other alleles of ORC5 were obtained that were nonfunctional for replication initiation, but fully competent for silencing. The two types of alleles, when put in the same cell, complemented, establishing two separable functions for ORC5. These data implied that replication initiation at HMR-E was not required for silencing. The data were consistent with a model in which different ORC species functioned at different origins within the genome and that only one Orc5p subunit functioned at any given origin.
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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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