1eg3

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{{STRUCTURE_1eg3| PDB=1eg3 | SCENE= }}
{{STRUCTURE_1eg3| PDB=1eg3 | SCENE= }}
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'''STRUCTURE OF A DYSTROPHIN WW DOMAIN FRAGMENT IN COMPLEX WITH A BETA-DYSTROGLYCAN PEPTIDE'''
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===STRUCTURE OF A DYSTROPHIN WW DOMAIN FRAGMENT IN COMPLEX WITH A BETA-DYSTROGLYCAN PEPTIDE===
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==Overview==
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Dystrophin and beta-dystroglycan are components of the dystrophin-glycoprotein complex (DGC), a multimolecular assembly that spans the cell membrane and links the actin cytoskeleton to the extracellular basal lamina. Defects in the dystrophin gene are the cause of Duchenne and Becker muscular dystrophies. The C-terminal region of dystrophin binds the cytoplasmic tail of beta-dystroglycan, in part through the interaction of its WW domain with a proline-rich motif in the tail of beta-dystroglycan. Here we report the crystal structure of this portion of dystrophin in complex with the proline-rich binding site in beta-dystroglycan. The structure shows that the dystrophin WW domain is embedded in an adjacent helical region that contains two EF-hand-like domains. The beta-dystroglycan peptide binds a composite surface formed by the WW domain and one of these EF-hands. Additionally, the structure reveals striking similarities in the mechanisms of proline recognition employed by WW domains and SH3 domains.
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(as it appears on PubMed at http://www.pubmed.gov), where 10932245 is the PubMed ID number.
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{{ABSTRACT_PUBMED_10932245}}
==About this Structure==
==About this Structure==
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[[Category: Ef-hand like domain]]
[[Category: Ef-hand like domain]]
[[Category: Ww domain]]
[[Category: Ww domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 15:03:25 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 00:38:37 2008''

Revision as of 21:38, 30 June 2008

Image:1eg3.png

Template:STRUCTURE 1eg3

STRUCTURE OF A DYSTROPHIN WW DOMAIN FRAGMENT IN COMPLEX WITH A BETA-DYSTROGLYCAN PEPTIDE

Template:ABSTRACT PUBMED 10932245

About this Structure

1EG3 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Structure of a WW domain containing fragment of dystrophin in complex with beta-dystroglycan., Huang X, Poy F, Zhang R, Joachimiak A, Sudol M, Eck MJ, Nat Struct Biol. 2000 Aug;7(8):634-8. PMID:10932245

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