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1gfc

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[[Image:1gfc.gif|left|200px]]
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{{STRUCTURE_1gfc| PDB=1gfc | SCENE= }}
{{STRUCTURE_1gfc| PDB=1gfc | SCENE= }}
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'''SOLUTION STRUCTURE AND LIGAND-BINDING SITE OF THE C-TERMINAL SH3 DOMAIN OF GRB2'''
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===SOLUTION STRUCTURE AND LIGAND-BINDING SITE OF THE C-TERMINAL SH3 DOMAIN OF GRB2===
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==Overview==
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BACKGROUND: Growth factor receptor-bound protein 2 (GRB2) is an adaptor protein with three Src homology (SH) domains in the order SH3-SH2-SH3. Both SH3 domains of GRB2 are necessary for interaction with the protein Son of sevenless (Sos), which acts as a Ras activator. Thus, GRB2 mediates signal transduction from growth factor receptors to Ras and is thought to be a key molecule in signal transduction. RESULTS: The three-dimensional structure of the carboxy-terminal SH3 domain of GRB2 (GRB2 C-SH3) was determined by NMR spectroscopy. The SH3 structure consists of six beta-strands arranged in two beta-sheets that are packed together perpendicularly with two additional beta-strands forming the third beta-sheet. GRB2 C-SH3 is very similar to SH3 domains from other proteins. The binding site of the ligand peptide (VPP-PVPPRRR) derived from the Sos protein was mapped on the GRB2 C-SH3 domain indirectly using 1H and 15N chemical shift changes, and directly using several intermolecular nuclear Overhauser effects. CONCLUSIONS: Despite the structural similarity among the known SH3 domains, the sequence alignment and the secondary structure assignments differ. We therefore propose a standard description of the SH3 structures to facilitate comparison of individual SH3 domains, based on their three-dimensional structures. The binding site of the ligand peptide on GRB2 C-SH3 is in good agreement with those found in other SH3 domains.
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(as it appears on PubMed at http://www.pubmed.gov), where 7881903 is the PubMed ID number.
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{{ABSTRACT_PUBMED_7881903}}
==About this Structure==
==About this Structure==
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1GFC 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=1GFC OCA].
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1GFC 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=1GFC OCA].
==Reference==
==Reference==
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[[Category: Terasawa, H.]]
[[Category: Terasawa, H.]]
[[Category: Adaptor protein containing sh2 and sh3]]
[[Category: Adaptor protein containing sh2 and sh3]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:29:45 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 05:12:01 2008''

Revision as of 02:12, 1 July 2008

Image:1gfc.png

Template:STRUCTURE 1gfc

SOLUTION STRUCTURE AND LIGAND-BINDING SITE OF THE C-TERMINAL SH3 DOMAIN OF GRB2

Template:ABSTRACT PUBMED 7881903

About this Structure

1GFC is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

Solution structure and ligand-binding site of the carboxy-terminal SH3 domain of GRB2., Kohda D, Terasawa H, Ichikawa S, Ogura K, Hatanaka H, Mandiyan V, Ullrich A, Schlessinger J, Inagaki F, Structure. 1994 Nov 15;2(11):1029-40. PMID:7881903

Page seeded by OCA on Tue Jul 1 05:12:01 2008

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