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pubmed:abstractText |
When the DNA-binding site for the Saccharomyces cerevisiae transcription activator GAL4 is placed upstream of the Schizosaccharomyces pombe ADH1 TATA box, transcription of the ADH1 gene is activated in S. pombe in vivo by an endogenous transcription factor. In vitro studies show that this S. pombe protein, PGA4, binds specifically to DNA containing a GAL4 site and that when two GAL4 sites are present, this protein binds cooperatively. Cooperating binding of PGA4 to DNA is favored if the GAL4 sites are separated by an integral number of turns of the DNA helix.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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