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| http://purl.uniprot.org/citations/21840992 | http://www.w3.org/2000/01/rdf-schema#comment | "The yeast HO gene is tightly regulated, with multiple activators and coactivators needed to overcome repressive chromatin structures that form over this promoter. Coactivator binding is strongly interdependent, as loss of one factor sharply reduces recruitment of other factors. The Rpd3(L) histone deacetylase is recruited to HO at two distinct times during the cell cycle, first by Ash1 to the URS1 region of the promoter and then by SBF/Whi5/Stb1 to URS2. SBF itself is localized to only a subset of its potential binding sites in URS2, and this localization takes longer and is less robust than at other SBF target genes, suggesting that binding to the HO promoter is limited by chromatin structures that dynamically change as the cell cycle progresses. Ash1 only binds at the URS1 region of the promoter, but an ash1 mutation results in markedly increased binding of SBF and Rpd3(L) at URS2, some 450 bp distant from the site of Ash1 binding, suggesting these two regions of the promoter interact. An ash1 mutation also results in increased coactivator recruitment, Swi/Snf and Mediator localization in the absence of the normally required Gcn5 histone acetyltransferase, and HO expression even in the presence of a taf1 mutation affecting TFIID activity that otherwise blocks HO transcription. Ash1 therefore appears to play a central role in generating the strongly repressive environment at the HO promoter, which limits the binding of several coactivators at URS2 and TATA region."xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.m111.281626"xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/author | "Yu Y."xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/author | "Stillman D.J."xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/author | "Takahata S."xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/pages | "34809-34819"xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/title | "Repressive chromatin affects factor binding at yeast HO (homothallic switching) promoter."xsd:string |
| http://purl.uniprot.org/citations/21840992 | http://purl.uniprot.org/core/volume | "286"xsd:string |
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