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Inclusion of Scar/WAVE3 in a similar complex to Scar/WAVE1 and 2
Craig F Stovold1, Thomas H Millard, Laura M Machesky
1School of Biosciences, The University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. craig_stovold@hotmail.com <craig_stovold@hotmail.com>
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.
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