Histone fold proteins Dpb4 and Dls1 are components of the yeast ISW2 chromatin remodeling complex that resemble the smaller subunits of the CHRAC (Chromatin Accessibility Complex) complex found in Drosophila and humans. DNA photoaffinity labeling found that the Dpb4 subunit contacts extranucleosomal DNA 37-53 bp away from the entry/exit site of the nucleosome. Binding of Dpb4 to Isw2 and Itc2, the two largest subunits of ISW2, was found to require Dls1. Even after remodeling and nucleosome movement, Dpb4 tends to remain bound to its original binding site and likely serves as an anchor point for ISW2 on DNA. In vitro, only minor differences can be detected in the nucleosome binding and mobilization properties of ISW2 with or without Dpb4 and Dls1. Changes in the contacts of the largest subunit Itc1 with extranucleosomal DNA have, however, been found upon deletion of the Dpb4 and Dls1 dimer that may affect the nucleosome spacing properties of ISW2.
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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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