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Stimulation of GAL4 Derivative Binding to Nucleosomal DNA by the Yeast SWI/SNF Complex

Côté, Jacques, Quinn, Janet, Workman, Jerry L., Peterson, Craig L.·1994·Science

Abstract

The SWI/SNF protein complex is required for the enhancement of transcription by many transcriptional activators in yeast. Here it is shown that the purified SWI/SNF complex is composed of 10 subunits and includes the SWI1, SWI2/SNF2, SWI3, SNF5, and SNF6 gene products. The complex exhibited DNA-stimulated adenosine triphosphatase (ATPase) activity, but lacked helicase activity. The SWI/SNF complex caused a 10- to 30-fold stimulation in the binding of GAL4 derivatives to nucleosomal DNA in a reaction that required adenosine triphosphate (ATP) hydrolysis but was activation domain-independent. Stimulation of GAL4 binding by the complex was abolished by a mutant SWI2 subunit, and was increased by the presence of a histone-binding protein, nucleoplasmin. A direct ATP-dependent interaction between the SWI/SNF complex and nucleosomal DNA was detected. These observations suggest that a primary role of the SWI/SNF complex is to promote activator binding to nucleosomal DNA.

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Metadata

Authors
Côté, J., Quinn, J., Workman, J. L., & Peterson, C. L.
Venue
Science
Published
1994-07
Volume
265
Issue
5168
Pages
53-60
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2057894015
Cited by
861
References
0
FWCI
25.25
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Stimulation of GAL4 Derivative Binding to Nucleosomal DNA by the Yeast SWI/SNF Complex. https://app.cochat.ai/papers/10.1126/science.8016655
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Côté, J., Quinn, J., Workman, J. L., & Peterson, C. L. (1994). Stimulation of GAL4 Derivative Binding to Nucleosomal DNA by the Yeast SWI/SNF Complex. Science. https://doi.org/10.1126/science.8016655

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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