Crystal structure of a yeast TFIIA/TBP/DNA complex

被引:258
作者
Tan, S [1 ]
Hunziker, Y [1 ]
Sargent, DF [1 ]
Richmond, TJ [1 ]
机构
[1] ETH HONGGERBERG,INST MOLEK BIOL & BIOPHYS,CH-8093 ZURICH,SWITZERLAND
关键词
D O I
10.1038/381127a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
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 Angstrom 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 TATE box. The four-helix bundle contributes substantially to the surface of the complex available for interaction with additional transcription factors.
引用
收藏
页码:127 / 134
页数:8
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