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ABI1
Abl interactor 1 also known as Abelson interactor 1 (Abi-1) is a protein that in humans is encoded by the ''ABI1'' gene. == Function ==
Abl interactor 1 has been found to form a complex with EPS8 and SOS1, and is thought to be involved in the transduction of signals from Ras to Rac. In addition, the encoded protein may play a role in the regulation of EGF-induced Erk pathway activation as well as cytoskeletal reorganization and EGFR signaling. Several transcript variants encoding multiple isoforms have been found for this gene.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=10006 )〕 Abi1 is adaptor protein. It interacts with c-Abl and WAVE2 which is actin polymerization regulator. It is known that Abi1 enhances the phosphorylation of WAVE2 by c-Abl. The phosphorylation of c-Abl promotes actin polymerization. Furthermore, Abi1 is component of WAVE complex. Some research paper showed that knock down of Abi1 by si(short interffering)RNA promoted degradation of WAVE complex proteins.
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