The Saccharomyces cerevisiae MCM1 gene product is a protein with multiple functions. It is a transcription factor necessary for expression of mating-type-specific genes and is also required for the maintenance of minichromosomes. MCM1 shows DNA-binding specificities similar to those of two previously reported DNA-binding factors, pheromone/receptor transcription factor (PRTF) and general regulator of mating type (GRM); like PRTF, its activity can be modulated by the alpha 1 protein. MCM1 binds to the dyad symmetry element 5'-CCTAATTAGG and related sequences, which we refer to as MCM1 control elements (MCEs). MCEs are found within the regulatory regions of a- and alpha-specific genes. Direct and indirect DNA binding assays suggest that a conserved 5'-ATTAGG in one-half of the dyad symmetry element is important for MCM1 binding whereas variants in the other half are tolerated. We have used a novel DNase I 'nicking interference' assay to investigate the interaction of MCM1 with its substrate. These data suggest that MCM1 binds as a dimer, interacting symmetrically with the ATTAGG residues in each half of the binding site. MCM1 contains striking homology to the DNA-binding domain of the human serum response factor (SRF) which mediates the transient transcriptional activation of growth-stimulated genes by binding to the serum response element (SRE). We have shown that MCM1 binds to the human c-fos SRE in vitro and, like other MCEs, the c-fos SRE exhibits MCM1-mediated upstream activating sequence (UAS) activity in vivo.
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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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