1tba
From Proteopedia
(New page: 200px<br /><applet load="1tba" size="450" color="white" frame="true" align="right" spinBox="true" caption="1tba" /> '''SOLUTION STRUCTURE OF A TBP-TAFII230 COMPLEX...) |
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| - | [[Image:1tba.jpg|left|200px]]<br /><applet load="1tba" size=" | + | [[Image:1tba.jpg|left|200px]]<br /><applet load="1tba" size="350" color="white" frame="true" align="right" spinBox="true" |
caption="1tba" /> | caption="1tba" /> | ||
'''SOLUTION STRUCTURE OF A TBP-TAFII230 COMPLEX: PROTEIN MIMICRY OF THE MINOR GROOVE SURFACE OF THE TATA BOX UNWOUND BY TBP, NMR, 25 STRUCTURES'''<br /> | '''SOLUTION STRUCTURE OF A TBP-TAFII230 COMPLEX: PROTEIN MIMICRY OF THE MINOR GROOVE SURFACE OF THE TATA BOX UNWOUND BY TBP, NMR, 25 STRUCTURES'''<br /> | ||
==Overview== | ==Overview== | ||
| - | General transcription factor TFIID consists of TATA box-binding protein | + | General transcription factor TFIID consists of TATA box-binding protein (TBP) and TBP-associated factors (TAF(II)s), which together play a central role in both positive and negative regulation of transcription. The N-terminal region of the 230 kDa Drosophila TAF(II) (dTAF(II)230) binds directly to TBP and inhibits TBP binding to the TATA box. We report here the solution structure of the complex formed by dTAF(II)230 N-terminal region (residues 11-77) and TBP. dTAF(II)230(11-77) comprises three alpha helices and a beta hairpin, forming a core that occupies the concave DNA-binding surface of TBP. The TBP-binding surface of dTAF(II)230 markedly resembles the minor groove surface of the partially unwound TATA box in the TBP-TATA complex. This protein mimicry of the TATA element surface provides the structural basis of the mechanism by which dTAF(II)230 negatively controls the TATA box-binding activity within the TFIID complex. |
==About this Structure== | ==About this Structure== | ||
| - | 1TBA is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http:// | + | 1TBA is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TBA OCA]. |
==Reference== | ==Reference== | ||
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[[Category: Ikura, M.]] | [[Category: Ikura, M.]] | ||
[[Category: Ishima, R.]] | [[Category: Ishima, R.]] | ||
| - | [[Category: Kay, L | + | [[Category: Kay, L E.]] |
[[Category: Kokubo, T.]] | [[Category: Kokubo, T.]] | ||
[[Category: Liu, D.]] | [[Category: Liu, D.]] | ||
| - | [[Category: Muhandiram, D | + | [[Category: Muhandiram, D R.]] |
[[Category: Nakatani, Y.]] | [[Category: Nakatani, Y.]] | ||
| - | [[Category: Tong, K | + | [[Category: Tong, K I.]] |
[[Category: complex (transcription factors)]] | [[Category: complex (transcription factors)]] | ||
[[Category: nmr]] | [[Category: nmr]] | ||
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[[Category: tfiid]] | [[Category: tfiid]] | ||
| - | ''Page seeded by [http:// | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 15:11:48 2008'' |
Revision as of 13:11, 21 February 2008
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SOLUTION STRUCTURE OF A TBP-TAFII230 COMPLEX: PROTEIN MIMICRY OF THE MINOR GROOVE SURFACE OF THE TATA BOX UNWOUND BY TBP, NMR, 25 STRUCTURES
Overview
General transcription factor TFIID consists of TATA box-binding protein (TBP) and TBP-associated factors (TAF(II)s), which together play a central role in both positive and negative regulation of transcription. The N-terminal region of the 230 kDa Drosophila TAF(II) (dTAF(II)230) binds directly to TBP and inhibits TBP binding to the TATA box. We report here the solution structure of the complex formed by dTAF(II)230 N-terminal region (residues 11-77) and TBP. dTAF(II)230(11-77) comprises three alpha helices and a beta hairpin, forming a core that occupies the concave DNA-binding surface of TBP. The TBP-binding surface of dTAF(II)230 markedly resembles the minor groove surface of the partially unwound TATA box in the TBP-TATA complex. This protein mimicry of the TATA element surface provides the structural basis of the mechanism by which dTAF(II)230 negatively controls the TATA box-binding activity within the TFIID complex.
About this Structure
1TBA is a Protein complex structure of sequences from Drosophila melanogaster and Saccharomyces cerevisiae. Full crystallographic information is available from OCA.
Reference
Solution structure of a TBP-TAF(II)230 complex: protein mimicry of the minor groove surface of the TATA box unwound by TBP., Liu D, Ishima R, Tong KI, Bagby S, Kokubo T, Muhandiram DR, Kay LE, Nakatani Y, Ikura M, Cell. 1998 Sep 4;94(5):573-83. PMID:9741622
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