Group:MUZIC:Plectin

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== Introduction ==
== Introduction ==
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Plectin is a multidomain protein with large size (>500kDa) and versatile binding properties, which abundantly expressed in a wide variety of mammalian tissues and cell types, combined with different binding partners. <ref>PMID:10556294</ref>.
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Plectin is a multidomain protein with large size (>500kDa) and versatile binding properties, which abundantly expressed in a wide variety of mammalian tissues and cell types, combined with different binding partners. It has important roles in maintaining the mechanical stability of skin, skeletal muscle and heart <ref>PMID:10556294</ref>.
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== Overall structure ==
== Overall structure ==

Revision as of 12:07, 4 July 2011

Plectin actin binding domain

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Introduction

Plectin is a multidomain protein with large size (>500kDa) and versatile binding properties, which abundantly expressed in a wide variety of mammalian tissues and cell types, combined with different binding partners. It has important roles in maintaining the mechanical stability of skin, skeletal muscle and heart [1].

Overall structure

Plectin can be divided in three main sections; a central coiled-coil rod domain, N and C-terminal globular region and exhibits a dumbbell like structure. C-terminal region is composed of 6 homologous repeating domains, and this region has a role in binding to intermediate filaments such as vimentin and cytokeratin [2]. N-terminal globular region contains actin binding domain (ABD) comprising two calponin homology () and .Image:Plectin structure.jpg (Litjens, 2006)

References

  1. Fuchs P, Zorer M, Rezniczek GA, Spazierer D, Oehler S, Castanon MJ, Hauptmann R, Wiche G. Unusual 5' transcript complexity of plectin isoforms: novel tissue-specific exons modulate actin binding activity. Hum Mol Genet. 1999 Dec;8(13):2461-72. PMID:10556294
  2. Foisner R, Wiche G. Structure and hydrodynamic properties of plectin molecules. J Mol Biol. 1987 Dec 5;198(3):515-31. PMID:3430617
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