Reference: Tan S, et al. (1996) Crystal structure of a yeast TFIIA/TBP/DNA complex. Nature 381(6578):127-51

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Abstract


The X-ray crystal structure of the transcription factor IIA (TFIIA) in complex with the TATA-box-binding protein (TBP) and TATA-element DNA is presented at 2.5 A resolution. TFIIA is composed of a beta-barrel and a four-helix bundle motif that together have a boot-like appearance. The beta-barrel extends the TBP beta-sheet and bridges over the DNA major groove immediately upstream of the TATA box. The four-helix bundle contributes substantially to the surface of the complex available for interaction with additional transcription factors.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Tan S, Hunziker Y, Sargent DF, Richmond TJ
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