2qt5

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{{STRUCTURE_2qt5| PDB=2qt5 | SCENE= }}
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'''Crystal Structure of GRIP1 PDZ12 in Complex with the Fras1 Peptide'''
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===Crystal Structure of GRIP1 PDZ12 in Complex with the Fras1 Peptide===
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==Overview==
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The scaffold protein GRIP1 (glutamate receptor interacting protein 1) binds to and regulates both the trafficking and membrane organization of a large number of transmembrane proteins. Mutation of GRIP1 in mice displays essentially the same phenotype of the mutations of Fras1 or Frem2, which are the animal models of the human genetic disorder Fraser syndrome. However, the molecular basis governing the interaction between GRIP1 and Fras1/Frem2 is unknown. Here, we show that interaction between Fras1 and GRIP1 requires the first two PDZ domains (PDZ1 and PDZ2) to be connected in tandem, as the folding of PDZ1 strictly depends on the covalent attachment of PDZ2. The crystal structure of GRIP1 PDZ12 in complex with the Fras1 C-terminal peptide reveals that the PDZ12 tandem forms a supramodule in which only the peptide-binding groove of PDZ1 is bound with the Fras1 peptide. The GRIP1 PDZ12/Fras1 peptide complex not only provides a mechanistic explanation of the link between GRIP1 and the Fraser syndrome but may also serve as a foundation for searching for potential mutations in GRIP1 that could lead to the Fraser syndrome.
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(as it appears on PubMed at http://www.pubmed.gov), where 18155042 is the PubMed ID number.
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==About this Structure==
==About this Structure==
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:41:22 2008''

Revision as of 06:41, 28 July 2008

Image:2qt5.png

Template:STRUCTURE 2qt5

Crystal Structure of GRIP1 PDZ12 in Complex with the Fras1 Peptide

Template:ABSTRACT PUBMED 18155042

About this Structure

2QT5 is a Protein complex structure of sequences from Rattus norvegicus. Full crystallographic information is available from OCA.

Reference

Supramodular nature of GRIP1 revealed by the structure of its PDZ12 tandem in complex with the carboxyl tail of Fras1., Long J, Wei Z, Feng W, Yu C, Zhao YX, Zhang M, J Mol Biol. 2008 Feb 1;375(5):1457-68. Epub 2007 Dec 4. PMID:18155042

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