这个词是什么意思？
A complex of seven proteins including ARP2 PROTEIN and ARP3 PROTEIN that plays an essential role in maintenance and assembly of the CYTOSKELETON. Arp2-3 complex binds WASP PROTEIN and existing ACTIN FILAMENTS, and it nucleates the formation of new branch point filaments.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D051376 · MeSH 2026。
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