1taf

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[[Image:1taf.gif|left|200px]]
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{{Structure
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1taf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1taf OCA], [http://www.ebi.ac.uk/pdbsum/1taf PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1taf RCSB]</span>
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'''DROSOPHILA TBP ASSOCIATED FACTORS DTAFII42/DTAFII62 HETEROTETRAMER'''
'''DROSOPHILA TBP ASSOCIATED FACTORS DTAFII42/DTAFII62 HETEROTETRAMER'''
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[[Category: Roeder, R G.]]
[[Category: Roeder, R G.]]
[[Category: Xie, X.]]
[[Category: Xie, X.]]
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[[Category: complex (two transcription factors)]]
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[[Category: Histone fold]]
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[[Category: histone fold]]
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[[Category: Transcription initiation]]
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[[Category: transcription initiation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 09:44:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:53:34 2008''
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Revision as of 06:44, 3 May 2008

Image:1taf.gif

Template:STRUCTURE 1taf

DROSOPHILA TBP ASSOCIATED FACTORS DTAFII42/DTAFII62 HETEROTETRAMER


Overview

A complex of two TFIID TATA box-binding protein-associated factors (TA FIIs) is described at 2.0A resolution. The amino-terminal portions of dTAFII42 and dTAFII62 from Drosophila adopt the canonical histone fold, consisting of two short alpha-helices flanking a long central alpha-helix. Like histones H3 and H4, dTAFII42 and dTAFII62 form an intimate heterodimer by extensive hydrophobic contacts between the paired molecules. In solution and in the crystalline state, the dTAFII42/dTAFII62 complex exists as a heterotetramer, resembling the (H3/H4)2 heterotetrameric core of the histone octamer, suggesting that TFIID contains a histone octamer-like substructure.

About this Structure

1TAF is a Protein complex structure of sequences from Drosophila melanogaster. Full crystallographic information is available from OCA.

Reference

Structural similarity between TAFs and the heterotetrameric core of the histone octamer., Xie X, Kokubo T, Cohen SL, Mirza UA, Hoffmann A, Chait BT, Roeder RG, Nakatani Y, Burley SK, Nature. 1996 Mar 28;380(6572):316-22. PMID:8598927 Page seeded by OCA on Sat May 3 09:44:25 2008

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