2odu

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[[Image:2odu.gif|left|200px]]
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{{STRUCTURE_2odu| PDB=2odu | SCENE= }}
{{STRUCTURE_2odu| PDB=2odu | SCENE= }}
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'''Crystal structure of a fragment of the plakin domain of plectin'''
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===Crystal structure of a fragment of the plakin domain of plectin===
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==Overview==
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Plectin is a large and versatile cytoskeletal linker and member of the plakin protein family. Plakins share a conserved region called the plakin domain located near their N terminus. We have determined the crystal structure of an N-terminal fragment of the plakin domain of plectin to 2.05 A resolution. This region is adjacent to the actin-binding domain and is required for efficient binding to the integrin alpha6beta4 in hemidesmosomes. The structure is formed by two spectrin repeats connected by an alpha-helix that spans these two repeats. While the first repeat is very similar to other known structures, the second repeat is structurally different with a hydrophobic core, narrower than that in canonical spectrin repeats. Sequence analysis of the plakin domain revealed the presence of up to nine consecutive spectrin repeats organized in an array of tandem modules, and a Src-homology 3 domain inserted in the central spectrin repeat. The structure of the plakin domain is reminiscent of the modular organization of members of the spectrin family. The architecture of the plakin domain suggests that it forms an elongated and flexible structure, and provides a novel molecular explanation for the contribution of plectin and other plakins to the elasticity and stability of tissues subjected to mechanical stress, such as the skin and striated muscle.
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{{ABSTRACT_PUBMED_17397861}}
==Disease==
==Disease==
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Known disease associated with this structure: Epidermolysis bullosa simplex, Ogna type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=601282 601282]], Muscular dystrophy with epidermolysis bullosa simplex OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=601282 601282]]
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Known disease associated with this structure: Epidermolysis bullosa simplex with pyloric atresia OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=601282 601282]], Epidermolysis bullosa simplex, Ogna type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=601282 601282]], Muscular dystrophy with epidermolysis bullosa simplex OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=601282 601282]]
==About this Structure==
==About this Structure==
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[[Category: Plakin domain]]
[[Category: Plakin domain]]
[[Category: Spectrin repeat]]
[[Category: Spectrin repeat]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 10:25:58 2008''

Revision as of 07:26, 28 July 2008

Image:2odu.png

Template:STRUCTURE 2odu

Contents

Crystal structure of a fragment of the plakin domain of plectin

Template:ABSTRACT PUBMED 17397861

Disease

Known disease associated with this structure: Epidermolysis bullosa simplex with pyloric atresia OMIM:[601282], Epidermolysis bullosa simplex, Ogna type OMIM:[601282], Muscular dystrophy with epidermolysis bullosa simplex OMIM:[601282]

About this Structure

2ODU is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

The structure of a tandem pair of spectrin repeats of plectin reveals a modular organization of the plakin domain., Sonnenberg A, Rojas AM, de Pereda JM, J Mol Biol. 2007 May 18;368(5):1379-91. Epub 2007 Mar 7. PMID:17397861

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