Arp2/3 protein
From Biocrawler, the free encyclopedia.
Arp2/3 complex is a seven-subunit protein containing two Actin-Related Proteins, the eponymous Arp2 and Arp3. Arp2/3 complex was first identified in Acanthamoeba castellanii and has since been found in every eukaryotic organism studied. The complex binds to the sides of existing ("mother") actin filaments, possibly biased toward binding near their barbed ends, and initiates the growth of a new ("daughter") filament at a distinctive 70 degree angle from the mother.
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