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Reference: Horikoshi M, et al. (1988) Mechanism of action of a yeast activator: direct effect of GAL4 derivatives on mammalian TFIID-promoter interactions. Cell 54(5):665-9

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Abstract


We have analyzed interactions between the mammalian TATA factor (TFIID) and derivatives of the yeast activator GAL4. The interaction of the TATA factor on the adenovirus E4 promoter with GAL4 binding sites adjacent to the TATA site was qualitatively altered in response to GAL4 binding. Alterations in the TFIID interactions were observed with two GAL4 derivatives that stimulated hybrid E4 promoter activity in vitro but not with a third derivative that bound to DNA but showed no activation. These results indicate that TFIID is a direct target for a GAL4 activation domain and suggest a simple general model for the activation mechanism.

Reference Type
Journal Article
Authors
Horikoshi M, Carey MF, Kakidani H, Roeder RG
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