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1mc7

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{{STRUCTURE_1mc7| PDB=1mc7 | SCENE= }}
{{STRUCTURE_1mc7| PDB=1mc7 | SCENE= }}
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'''Solution Structure of mDvl1 PDZ domain'''
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===Solution Structure of mDvl1 PDZ domain===
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==Overview==
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The cytoplasmic protein Dishevelled (Dvl) and the associated membrane-bound receptor Frizzled (Fz) are essential in canonical and noncanonical Wnt signaling pathways. However, the molecular mechanisms underlying this signaling are not well understood. By using NMR spectroscopy, we determined that an internal sequence of Fz binds to the conventional peptide binding site in the PDZ domain of Dvl; this type of site typically binds to C-terminal binding motifs. The C-terminal region of the Dvl inhibitor Dapper (Dpr) and Frodo bound to the same site. In Xenopus, Dvl binding peptides of Fz and Dpr/Frodo inhibited canonical Wnt signaling and blocked Wnt-induced secondary axis formation in a dose-dependent manner, but did not block noncanonical Wnt signaling mediated by the DEP domain. Together, our results identify a missing molecular connection within the Wnt pathway. Differences in the binding affinity of the Dvl PDZ domain and its binding partners may be important in regulating signal transduction by Dvl.
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{{ABSTRACT_PUBMED_14636582}}
==About this Structure==
==About this Structure==
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1MC7 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MC7 OCA].
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1MC7 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MC7 OCA].
==Reference==
==Reference==
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[[Category: Pdz domain]]
[[Category: Pdz domain]]
[[Category: Wnt signaling]]
[[Category: Wnt signaling]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 00:52:55 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 23:40:05 2008''

Revision as of 20:40, 2 July 2008

Image:1mc7.png

Template:STRUCTURE 1mc7

Solution Structure of mDvl1 PDZ domain

Template:ABSTRACT PUBMED 14636582

About this Structure

1MC7 is a Single protein structure of sequence from Mus musculus. Full experimental information is available from OCA.

Reference

Direct binding of the PDZ domain of Dishevelled to a conserved internal sequence in the C-terminal region of Frizzled., Wong HC, Bourdelas A, Krauss A, Lee HJ, Shao Y, Wu D, Mlodzik M, Shi DL, Zheng J, Mol Cell. 2003 Nov;12(5):1251-60. PMID:14636582

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