2evz

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[[Image:2evz.gif|left|200px]]
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{{STRUCTURE_2evz| PDB=2evz | SCENE= }}
{{STRUCTURE_2evz| PDB=2evz | SCENE= }}
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'''Structure of RNA Binding Domains 3 and 4 of Polypyrimidine Tract Binding Protein'''
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===Structure of RNA Binding Domains 3 and 4 of Polypyrimidine Tract Binding Protein===
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==Overview==
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The polypyrimidine tract binding protein (PTB) is a 58 kDa protein involved in many aspects of RNA metabolism. In this study, we focused our attention on the structure of the two C-terminal RNA recognition motifs (RRM3 and RRM4) of PTB. In a previous study, it was found that the two RRMs are independent in the free state. We recently determined the structure of the same fragment in complex with RNA and found that the two RRMs interact extensively. This difference made us re-evaluate in detail the free protein structure and in particular the interdomain interface. We used a combination of NMR spectroscopy and segmental isotopic labeling to unambiguously study and characterize the interdomain interactions. An improved segmental isotopic labeling protocol was used, enabling us to unambiguously identify 130 interdomain NOEs between the two RRMs and to calculate a very precise structure. The structure reveals a large interdomain interface, resulting in a very unusual positioning of the two RRM domains relative to one another.
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{{ABSTRACT_PUBMED_16362043}}
==About this Structure==
==About this Structure==
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2EVZ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EVZ OCA].
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2EVZ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EVZ OCA].
==Reference==
==Reference==
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[[Category: Auweter, S D.]]
[[Category: Auweter, S D.]]
[[Category: Alpha-beta sandwich]]
[[Category: Alpha-beta sandwich]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:41:42 2008''

Revision as of 17:41, 28 July 2008

Image:2evz.png

Template:STRUCTURE 2evz

Structure of RNA Binding Domains 3 and 4 of Polypyrimidine Tract Binding Protein

Template:ABSTRACT PUBMED 16362043

About this Structure

2EVZ is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

Structure of the two most C-terminal RNA recognition motifs of PTB using segmental isotope labeling., Vitali F, Henning A, Oberstrass FC, Hargous Y, Auweter SD, Erat M, Allain FH, EMBO J. 2006 Jan 11;25(1):150-62. Epub 2005 Dec 15. PMID:16362043

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