2hts: Difference between revisions

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[[Image:2hts.gif|left|200px]]
{{Seed}}
[[Image:2hts.png|left|200px]]


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{{STRUCTURE_2hts|  PDB=2hts  |  SCENE=  }}  
{{STRUCTURE_2hts|  PDB=2hts  |  SCENE=  }}  


'''CRYSTAL STRUCTURE OF THE DNA BINDING DOMAIN OF THE HEAT SHOCK TRANSCRIPTION FACTOR'''
===CRYSTAL STRUCTURE OF THE DNA BINDING DOMAIN OF THE HEAT SHOCK TRANSCRIPTION FACTOR===




==Overview==
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The structure of the DNA binding domain, determined at 1.8 angstrom resolution, contains a three-helix bundle that is capped by a four-stranded antiparallel beta sheet. This structure is a variant of the helix-turn-helix motif, typified by catabolite activator protein. In the heat shock transcription factor, the first helix of the motif (alpha 2) has an alpha-helical bulge and a proline-induced kink. The angle between the two helices of the motif (alpha 2 and alpha 3) is about 20 degrees smaller than the average for canonical helix-turn-helix proteins. Nevertheless, the relative positions of the first and third helices of the bundle (alpha 1 and alpha 3) are conserved. It is proposed here that the first helix of the three-helix bundle be considered a component of the helix-turn-helix motif.
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{{ABSTRACT_PUBMED_8284672}}


==About this Structure==
==About this Structure==
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[[Category: Nelson, H.]]
[[Category: Nelson, H.]]
[[Category: Transcription factor]]
[[Category: Transcription factor]]
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