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2al6

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{{STRUCTURE_2al6| PDB=2al6 | SCENE= }}
{{STRUCTURE_2al6| PDB=2al6 | SCENE= }}
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'''FERM domain of Focal Adhesion Kinase'''
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===FERM domain of Focal Adhesion Kinase===
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==Overview==
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Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that localizes to focal adhesions in adherent cells. Through phosphorylation of proteins assembled at the cytoplasmic tails of integrins, FAK promotes signaling events that modulate cellular growth, survival, and migration. The amino-terminal region of FAK contains a region of sequence homology with band 4.1 and ezrin/radixin/moesin (ERM) proteins termed a FERM domain. FERM domains are found in a variety of signaling and cytoskeletal proteins and are thought to mediate intermolecular interactions with partner proteins and phospholipids at the plasma membrane and intramolecular regulatory interactions. Here we report two crystal structures of an NH2-terminal fragment of avian FAK containing the FERM domain and a portion of the regulatory linker that connects the FERM and kinase domains. The tertiary folds of the three subdomains (F1, F2, and F3) are similar to those of known FERM structures despite low sequence conservation. Differences in the sequence and relative orientation of the F3 subdomain alters the nature of the interdomain interface, and the phosphoinositide binding site found in ERM family FERM domains is not present in FAK. A putative protein interaction site on the F3 lobe is masked by the proximal region of the linker. Additionally, in one structure the adjacent Src SH3 and SH2 binding sites in the linker associate with the surfaces of the F3 and F1 lobes, respectively. These structural features suggest the possibility that protein interactions of the FAK FERM domain can be regulated by binding of Src kinases to the linker segment.
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(as it appears on PubMed at http://www.pubmed.gov), where 16221668 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16221668}}
==About this Structure==
==About this Structure==
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[[Category: Song, H K.]]
[[Category: Song, H K.]]
[[Category: Focal adhesion kinase ferm domain autophosphorylation site src sh3 binding site]]
[[Category: Focal adhesion kinase ferm domain autophosphorylation site src sh3 binding site]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 19:11:03 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 13:31:27 2008''

Revision as of 10:31, 29 July 2008

Image:2al6.png

Template:STRUCTURE 2al6

FERM domain of Focal Adhesion Kinase

Template:ABSTRACT PUBMED 16221668

About this Structure

2AL6 is a Single protein structure of sequence from Gallus gallus. Full crystallographic information is available from OCA.

Reference

Crystal structure of the FERM domain of focal adhesion kinase., Ceccarelli DF, Song HK, Poy F, Schaller MD, Eck MJ, J Biol Chem. 2006 Jan 6;281(1):252-9. Epub 2005 Oct 12. PMID:16221668

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