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Open Access Research article

Inclusion of Scar/WAVE3 in a similar complex to Scar/WAVE1 and 2

Craig F Stovold, Thomas H Millard and Laura M Machesky*

Author affiliations

School of Biosciences, The University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK

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Citation and License

BMC Cell Biology 2005, 6:11  doi:10.1186/1471-2121-6-11

Published: 7 March 2005

Abstract

Background

The Scar/WAVE family of proteins mediates signals to actin assembly by direct activation of the Arp2/3 complex. These proteins have been characterised as major regulators of lamellipodia formation downstream of Rac activation and as members of large protein complexes.

Results

We have investigated the interactions of the three human Scar/WAVE isoforms with several previously described binding partners for Scar/WAVE 1 or 2. We find that all three Scar/WAVE isoforms behave similarly and are likely to participate in the same kinds of protein complexes that regulate actin assembly.

Conclusion

Differences between Scar/WAVE proteins are therefore likely to be at the level of tissue distribution or subtle differences in the affinity for specific binding partners.