Reference: Banik U, et al. (2001) Fluorescence-based analyses of the effects of full-length recombinant TAF130p on the interaction of TATA box-binding protein with TATA box DNA. J Biol Chem 276(52):49100-9

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Abstract


We have used a combination of fluorescence anisotropy spectroscopy and fluorescence-based native gel electrophoresis methods to examine the effects of the transcription factor IID-specific subunit TAF130p (TAF145p) upon the TATA box DNA binding properties of TATA box-binding protein (TBP). Purified full-length recombinant TAF130p decreases TBP-TATA DNA complex formation at equilibrium by competing directly with DNA for binding to TBP. Interestingly, we have found that full-length TAF130p is capable of binding multiple molecules of TBP with nanomolar binding affinity. The biological implications of these findings are discussed.

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Journal Article | Research Support, U.S. Gov't, P.H.S.
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Banik U, Beechem JM, Klebanow E, Schroeder S, Weil PA
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