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Curr Opin Cell Biol. 2006 Feb;18(1):4-10. Epub 2005 Dec 15.

Protein complexes regulating Arp2/3-mediated actin assembly.

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  • 1Signalling and Motility Group, German Research Centre for Biotechnology (GBF), Mascheroder Weg 1, D-38124 Braunschweig, Germany. ths@gbf.de

Abstract

Key steps in regulating actin dynamics are the de novo nucleation and elongation of actin filaments, which can be catalysed by a limited number of proteins and protein complexes. Among these, Arp2/3 complex and formins are the best studied. Arp2/3-complex activity is controlled through signalling-dependent association with nucleation-promoting factors, such as the WASP/WAVE family proteins. A common theme for these molecules, which is well established for WAVEs but is only just beginning to emerge for WASPs, is that they act as coincident detectors of a variety of signalling pathways through the formation of large multi-molecular complexes.

PMID:
16343889
[PubMed - indexed for MEDLINE]
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