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date: 07 August 2020

Arp2/3 complex 

Source:
A Dictionary of Biomedicine
Author(s):

John Lackie

, Brian NationBrian Nation

A seven-membered complex that plays an important part in regulating actin assembly in cells. There are two actin-related proteins (Arp2 and Arp3) with five other subunits: ARC41 (ArpC1B), Arc34 (ARPC2), Arc21 (ARPC3), Arc20 (ARPC4), and Arc16 (ARPC5). Arp2/3 caps the pointed end of actin filaments and nucleates actin polymerization with low efficiency. ... ...

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