1mi7

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[[Image:1mi7.gif|left|200px]]
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{{STRUCTURE_1mi7| PDB=1mi7 | SCENE= }}
{{STRUCTURE_1mi7| PDB=1mi7 | SCENE= }}
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'''Crystal Structure of Domain Swapped trp Aporepressor in 30%(v/v) Isopropanol'''
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===Crystal Structure of Domain Swapped trp Aporepressor in 30%(v/v) Isopropanol===
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==Overview==
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The E. coli trp repressor (trpR) homodimer recognizes its palindromic DNA binding site through a pair of flexible helix-turn-helix (HTH) motifs displayed on an intertwined helical core. Flexible N-terminal arms mediate association between dimers bound to tandem DNA sites. The 2.5 A X-ray structure of trpR crystallized in 30% (v/v) isopropanol reveals a substantial conformational rearrangement of HTH motifs and N-terminal arms, with the protein appearing in the unusual form of an ordered 3D domain-swapped supramolecular array. Small angle X-ray scattering measurements show that the self-association properties of trpR in solution are fundamentally altered by isopropanol.
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(as it appears on PubMed at http://www.pubmed.gov), where 15274929 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15274929}}
==About this Structure==
==About this Structure==
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[[Category: Dna binding protein]]
[[Category: Dna binding protein]]
[[Category: Domain swapping]]
[[Category: Domain swapping]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 01:05:59 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jul 3 00:01:49 2008''

Revision as of 21:01, 2 July 2008

Image:1mi7.png

Template:STRUCTURE 1mi7

Crystal Structure of Domain Swapped trp Aporepressor in 30%(v/v) Isopropanol

Template:ABSTRACT PUBMED 15274929

About this Structure

1MI7 is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

E. coli trp repressor forms a domain-swapped array in aqueous alcohol., Lawson CL, Benoff B, Berger T, Berman HM, Carey J, Structure. 2004 Jun;12(6):1099-108. PMID:15274929

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