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1d3u
From Proteopedia
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[[Image:1d3u.gif|left|200px]] | [[Image:1d3u.gif|left|200px]] | ||
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'''TATA-BINDING PROTEIN/TRANSCRIPTION FACTOR (II)B/BRE+TATA-BOX COMPLEX FROM PYROCOCCUS WOESEI''' | '''TATA-BINDING PROTEIN/TRANSCRIPTION FACTOR (II)B/BRE+TATA-BOX COMPLEX FROM PYROCOCCUS WOESEI''' | ||
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[[Category: Littlefield, O.]] | [[Category: Littlefield, O.]] | ||
[[Category: Sigler, P B.]] | [[Category: Sigler, P B.]] | ||
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| - | [[Category: | + | [[Category: Protein-dna complex]] |
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Revision as of 10:25, 2 May 2008
TATA-BINDING PROTEIN/TRANSCRIPTION FACTOR (II)B/BRE+TATA-BOX COMPLEX FROM PYROCOCCUS WOESEI
Overview
Recently the definition of the metazoan RNA polymerase II and archaeal core promoters has been expanded to include a region immediately upstream of the TATA box called the B recognition element (BRE), so named because eukaryal transcription factor TFIIB and its archaeal orthologue TFB interact with the element in a sequence-specific manner. Here we present the 2.4-A crystal structure of archaeal TBP and the C-terminal core of TFB (TFB(c)) in a complex with an extended TATA-box-containing promoter that provides a detailed picture of the stereospecific interactions between the BRE and a helix-turn-helix motif in the C-terminal cyclin repeat of TFB(c). This interaction is important in determining the level of basal transcription and explicitly defines the direction of transcription.
About this Structure
1D3U is a Protein complex structure of sequences from Pyrococcus woesei. Full crystallographic information is available from OCA.
Reference
The structural basis for the oriented assembly of a TBP/TFB/promoter complex., Littlefield O, Korkhin Y, Sigler PB, Proc Natl Acad Sci U S A. 1999 Nov 23;96(24):13668-73. PMID:10570130 Page seeded by OCA on Fri May 2 13:25:18 2008
